Home / 19,931,213.60-29,896,820.40-9,853,517.60

Finding the Fourth Proportional to 19,931,213.60, 29,896,820.40 and 9,853,517.60

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Solution

The fourth proportional to 19,931,213.60, 29,896,820.40 and 9,853,517.60 is: 14,780,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931,213.60 : 29,896,820.40 = 9,853,517.60 : x
  2. Step 2: Convert to fraction form
    19,931,213.60/29,896,820.40 = 9,853,517.60/x
  3. Step 3: Cross multiply
    19,931,213.60x = 29,896,820.40 × 9,853,517.60
  4. Step 4: Simplify right side
    19,931,213.60x = 294,588,845,995,439
  5. Step 5: Solve for x
    x = 294,588,845,995,439/19,931,213.60
  6. Step 6: Final answer
    x = 14,780,276.40

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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.