Home / 20,342,034.60-28,045,295.52-14,679,375.91

Finding the Fourth Proportional to 20,342,034.60, 28,045,295.52 and 14,679,375.91

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Solution

The fourth proportional to 20,342,034.60, 28,045,295.52 and 14,679,375.91 is: 20,238,262.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,342,034.60 : 28,045,295.52 = 14,679,375.91 : x
  2. Step 2: Convert to fraction form
    20,342,034.60/28,045,295.52 = 14,679,375.91/x
  3. Step 3: Cross multiply
    20,342,034.60x = 28,045,295.52 × 14,679,375.91
  4. Step 4: Simplify right side
    20,342,034.60x = 411,687,435,477,712.81
  5. Step 5: Solve for x
    x = 411,687,435,477,712.81/20,342,034.60
  6. Step 6: Final answer
    x = 20,238,262.47

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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.