Home / 21,027,379.95-29,030,920.62-16,123,180.68

Finding the Fourth Proportional to 21,027,379.95, 29,030,920.62 and 16,123,180.68

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Solution

The fourth proportional to 21,027,379.95, 29,030,920.62 and 16,123,180.68 is: 22,260,061.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,027,379.95 : 29,030,920.62 = 16,123,180.68 : x
  2. Step 2: Convert to fraction form
    21,027,379.95/29,030,920.62 = 16,123,180.68/x
  3. Step 3: Cross multiply
    21,027,379.95x = 29,030,920.62 × 16,123,180.68
  4. Step 4: Simplify right side
    21,027,379.95x = 468,070,778,462,997.62
  5. Step 5: Solve for x
    x = 468,070,778,462,997.62/21,027,379.95
  6. Step 6: Final answer
    x = 22,260,061.86

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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.