Home / 10,931,785.60-16,383,681.60-8,394,865.60

Finding the Fourth Proportional to 10,931,785.60, 16,383,681.60 and 8,394,865.60

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Solution

The fourth proportional to 10,931,785.60, 16,383,681.60 and 8,394,865.60 is: 12,581,549.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931,785.60 : 16,383,681.60 = 8,394,865.60 : x
  2. Step 2: Convert to fraction form
    10,931,785.60/16,383,681.60 = 8,394,865.60/x
  3. Step 3: Cross multiply
    10,931,785.60x = 16,383,681.60 × 8,394,865.60
  4. Step 4: Simplify right side
    10,931,785.60x = 137,538,805,065,192.95
  5. Step 5: Solve for x
    x = 137,538,805,065,192.95/10,931,785.60
  6. Step 6: Final answer
    x = 12,581,549.81

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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.