Home / 20,342,035.60-28,045,296.89-14,679,376.91

Finding the Fourth Proportional to 20,342,035.60, 28,045,296.89 and 14,679,376.91

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Solution

The fourth proportional to 20,342,035.60, 28,045,296.89 and 14,679,376.91 is: 20,238,263.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,342,035.60 : 28,045,296.89 = 14,679,376.91 : x
  2. Step 2: Convert to fraction form
    20,342,035.60/28,045,296.89 = 14,679,376.91/x
  3. Step 3: Cross multiply
    20,342,035.60x = 28,045,296.89 × 14,679,376.91
  4. Step 4: Simplify right side
    20,342,035.60x = 411,687,483,601,160.81
  5. Step 5: Solve for x
    x = 411,687,483,601,160.81/20,342,035.60
  6. Step 6: Final answer
    x = 20,238,263.84

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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.