Home / 30,167,354.52-41,651,777.34-28,239,995.16

Finding the Fourth Proportional to 30,167,354.52, 41,651,777.34 and 28,239,995.16

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Solution

The fourth proportional to 30,167,354.52, 41,651,777.34 and 28,239,995.16 is: 38,990,690.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,167,354.52 : 41,651,777.34 = 28,239,995.16 : x
  2. Step 2: Convert to fraction form
    30,167,354.52/41,651,777.34 = 28,239,995.16/x
  3. Step 3: Cross multiply
    30,167,354.52x = 41,651,777.34 × 28,239,995.16
  4. Step 4: Simplify right side
    30,167,354.52x = 1,176,245,990,486,997.75
  5. Step 5: Solve for x
    x = 1,176,245,990,486,997.75/30,167,354.52
  6. Step 6: Final answer
    x = 38,990,690.74

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.