Home / 10,365,042.55-15,547,563.83-9,169,300.30

Finding the Fourth Proportional to 10,365,042.55, 15,547,563.83 and 9,169,300.30

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Solution

The fourth proportional to 10,365,042.55, 15,547,563.83 and 9,169,300.30 is: 13,753,950.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365,042.55 : 15,547,563.83 = 9,169,300.30 : x
  2. Step 2: Convert to fraction form
    10,365,042.55/15,547,563.83 = 9,169,300.30/x
  3. Step 3: Cross multiply
    10,365,042.55x = 15,547,563.83 × 9,169,300.30
  4. Step 4: Simplify right side
    10,365,042.55x = 142,560,281,690,688.16
  5. Step 5: Solve for x
    x = 142,560,281,690,688.16/10,365,042.55
  6. Step 6: Final answer
    x = 13,753,950.45

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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.