Home / 10,111,502.80-15,167,254.20-9,639,110.80

Finding the Fourth Proportional to 10,111,502.80, 15,167,254.20 and 9,639,110.80

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Solution

The fourth proportional to 10,111,502.80, 15,167,254.20 and 9,639,110.80 is: 14,458,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,111,502.80 : 15,167,254.20 = 9,639,110.80 : x
  2. Step 2: Convert to fraction form
    10,111,502.80/15,167,254.20 = 9,639,110.80/x
  3. Step 3: Cross multiply
    10,111,502.80x = 15,167,254.20 × 9,639,110.80
  4. Step 4: Simplify right side
    10,111,502.80x = 146,198,843,765,565.38
  5. Step 5: Solve for x
    x = 146,198,843,765,565.38/10,111,502.80
  6. Step 6: Final answer
    x = 14,458,666.20

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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.