Home / 10,366,612.30-15,549,918.45-7,138,108.23

Finding the Fourth Proportional to 10,366,612.30, 15,549,918.45 and 7,138,108.23

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Solution

The fourth proportional to 10,366,612.30, 15,549,918.45 and 7,138,108.23 is: 10,707,162.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366,612.30 : 15,549,918.45 = 7,138,108.23 : x
  2. Step 2: Convert to fraction form
    10,366,612.30/15,549,918.45 = 7,138,108.23/x
  3. Step 3: Cross multiply
    10,366,612.30x = 15,549,918.45 × 7,138,108.23
  4. Step 4: Simplify right side
    10,366,612.30x = 110,997,000,863,773.84
  5. Step 5: Solve for x
    x = 110,997,000,863,773.84/10,366,612.30
  6. Step 6: Final answer
    x = 10,707,162.35

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.