Home / 10,374,633.90-15,564,672.45-3,985,094.70

Finding the Fourth Proportional to 10,374,633.90, 15,564,672.45 and 3,985,094.70

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Solution

The fourth proportional to 10,374,633.90, 15,564,672.45 and 3,985,094.70 is: 5,978,687.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,374,633.90 : 15,564,672.45 = 3,985,094.70 : x
  2. Step 2: Convert to fraction form
    10,374,633.90/15,564,672.45 = 3,985,094.70/x
  3. Step 3: Cross multiply
    10,374,633.90x = 15,564,672.45 × 3,985,094.70
  4. Step 4: Simplify right side
    10,374,633.90x = 62,026,693,687,731.02
  5. Step 5: Solve for x
    x = 62,026,693,687,731.02/10,374,633.90
  6. Step 6: Final answer
    x = 5,978,687.47

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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.