Home / 15,755,346.26-21,742,472.61-8,786,463.77

Finding the Fourth Proportional to 15,755,346.26, 21,742,472.61 and 8,786,463.77

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Solution

The fourth proportional to 15,755,346.26, 21,742,472.61 and 8,786,463.77 is: 12,125,372.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,755,346.26 : 21,742,472.61 = 8,786,463.77 : x
  2. Step 2: Convert to fraction form
    15,755,346.26/21,742,472.61 = 8,786,463.77/x
  3. Step 3: Cross multiply
    15,755,346.26x = 21,742,472.61 × 8,786,463.77
  4. Step 4: Simplify right side
    15,755,346.26x = 191,039,447,879,948.50
  5. Step 5: Solve for x
    x = 191,039,447,879,948.50/15,755,346.26
  6. Step 6: Final answer
    x = 12,125,372.86

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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.