Home / 19,885,154.27-27,438,305.56-11,182,807.89

Finding the Fourth Proportional to 19,885,154.27, 27,438,305.56 and 11,182,807.89

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Solution

The fourth proportional to 19,885,154.27, 27,438,305.56 and 11,182,807.89 is: 15,430,471.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,885,154.27 : 27,438,305.56 = 11,182,807.89 : x
  2. Step 2: Convert to fraction form
    19,885,154.27/27,438,305.56 = 11,182,807.89/x
  3. Step 3: Cross multiply
    19,885,154.27x = 27,438,305.56 × 11,182,807.89
  4. Step 4: Simplify right side
    19,885,154.27x = 306,837,299,876,641.88
  5. Step 5: Solve for x
    x = 306,837,299,876,641.88/19,885,154.27
  6. Step 6: Final answer
    x = 15,430,471.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.