Home / 30,167,353.52-41,651,775.96-28,239,994.16

Finding the Fourth Proportional to 30,167,353.52, 41,651,775.96 and 28,239,994.16

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Solution

The fourth proportional to 30,167,353.52, 41,651,775.96 and 28,239,994.16 is: 38,990,689.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,167,353.52 : 41,651,775.96 = 28,239,994.16 : x
  2. Step 2: Convert to fraction form
    30,167,353.52/41,651,775.96 = 28,239,994.16/x
  3. Step 3: Cross multiply
    30,167,353.52x = 41,651,775.96 × 28,239,994.16
  4. Step 4: Simplify right side
    30,167,353.52x = 1,176,245,909,864,028.50
  5. Step 5: Solve for x
    x = 1,176,245,909,864,028.50/30,167,353.52
  6. Step 6: Final answer
    x = 38,990,689.36

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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.