Home / 14,342,735.70-21,520,456.79-7,517,686.91

Finding the Fourth Proportional to 14,342,735.70, 21,520,456.79 and 7,517,686.91

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Solution

The fourth proportional to 14,342,735.70, 21,520,456.79 and 7,517,686.91 is: 11,279,860.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342,735.70 : 21,520,456.79 = 7,517,686.91 : x
  2. Step 2: Convert to fraction form
    14,342,735.70/21,520,456.79 = 7,517,686.91/x
  3. Step 3: Cross multiply
    14,342,735.70x = 21,520,456.79 × 7,517,686.91
  4. Step 4: Simplify right side
    14,342,735.70x = 161,784,056,162,212.91
  5. Step 5: Solve for x
    x = 161,784,056,162,212.91/14,342,735.70
  6. Step 6: Final answer
    x = 11,279,860.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.