Home / 10,365,098.80-15,547,648.20-9,169,356.55

Finding the Fourth Proportional to 10,365,098.80, 15,547,648.20 and 9,169,356.55

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Solution

The fourth proportional to 10,365,098.80, 15,547,648.20 and 9,169,356.55 is: 13,754,034.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365,098.80 : 15,547,648.20 = 9,169,356.55 : x
  2. Step 2: Convert to fraction form
    10,365,098.80/15,547,648.20 = 9,169,356.55/x
  3. Step 3: Cross multiply
    10,365,098.80x = 15,547,648.20 × 9,169,356.55
  4. Step 4: Simplify right side
    10,365,098.80x = 142,561,929,859,765.72
  5. Step 5: Solve for x
    x = 142,561,929,859,765.72/10,365,098.80
  6. Step 6: Final answer
    x = 13,754,034.83

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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.