Home / 19,885,156.27-27,438,308.32-11,182,809.89

Finding the Fourth Proportional to 19,885,156.27, 27,438,308.32 and 11,182,809.89

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Solution

The fourth proportional to 19,885,156.27, 27,438,308.32 and 11,182,809.89 is: 15,430,473.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,885,156.27 : 27,438,308.32 = 11,182,809.89 : x
  2. Step 2: Convert to fraction form
    19,885,156.27/27,438,308.32 = 11,182,809.89/x
  3. Step 3: Cross multiply
    19,885,156.27x = 27,438,308.32 × 11,182,809.89
  4. Step 4: Simplify right side
    19,885,156.27x = 306,837,385,645,765.31
  5. Step 5: Solve for x
    x = 306,837,385,645,765.31/19,885,156.27
  6. Step 6: Final answer
    x = 15,430,473.94

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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.