Home / 10,429,998.80-15,644,998.20-9,102,894.80

Finding the Fourth Proportional to 10,429,998.80, 15,644,998.20 and 9,102,894.80

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Solution

The fourth proportional to 10,429,998.80, 15,644,998.20 and 9,102,894.80 is: 13,654,342.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429,998.80 : 15,644,998.20 = 9,102,894.80 : x
  2. Step 2: Convert to fraction form
    10,429,998.80/15,644,998.20 = 9,102,894.80/x
  3. Step 3: Cross multiply
    10,429,998.80x = 15,644,998.20 × 9,102,894.80
  4. Step 4: Simplify right side
    10,429,998.80x = 142,414,772,760,789.38
  5. Step 5: Solve for x
    x = 142,414,772,760,789.38/10,429,998.80
  6. Step 6: Final answer
    x = 13,654,342.20

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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.