Home / 15,292,472.74-21,103,784.89-8,323,194.91

Finding the Fourth Proportional to 15,292,472.74, 21,103,784.89 and 8,323,194.91

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Solution

The fourth proportional to 15,292,472.74, 21,103,784.89 and 8,323,194.91 is: 11,486,102.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,292,472.74 : 21,103,784.89 = 8,323,194.91 : x
  2. Step 2: Convert to fraction form
    15,292,472.74/21,103,784.89 = 8,323,194.91/x
  3. Step 3: Cross multiply
    15,292,472.74x = 21,103,784.89 × 8,323,194.91
  4. Step 4: Simplify right side
    15,292,472.74x = 175,650,914,978,182.91
  5. Step 5: Solve for x
    x = 175,650,914,978,182.91/15,292,472.74
  6. Step 6: Final answer
    x = 11,486,102.87

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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.