Home / 27,091,123.76-37,385,776.31-15,488,930.20

Finding the Fourth Proportional to 27,091,123.76, 37,385,776.31 and 15,488,930.20

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Solution

The fourth proportional to 27,091,123.76, 37,385,776.31 and 15,488,930.20 is: 21,374,738.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,091,123.76 : 37,385,776.31 = 15,488,930.20 : x
  2. Step 2: Convert to fraction form
    27,091,123.76/37,385,776.31 = 15,488,930.20/x
  3. Step 3: Cross multiply
    27,091,123.76x = 37,385,776.31 × 15,488,930.20
  4. Step 4: Simplify right side
    27,091,123.76x = 579,065,679,738,403.62
  5. Step 5: Solve for x
    x = 579,065,679,738,403.62/27,091,123.76
  6. Step 6: Final answer
    x = 21,374,738.27

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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.