Home / 42,445,611.70-63,668,417.55-15,529,765.30

Finding the Fourth Proportional to 42,445,611.70, 63,668,417.55 and 15,529,765.30

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Solution

The fourth proportional to 42,445,611.70, 63,668,417.55 and 15,529,765.30 is: 23,294,647.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,445,611.70 : 63,668,417.55 = 15,529,765.30 : x
  2. Step 2: Convert to fraction form
    42,445,611.70/63,668,417.55 = 15,529,765.30/x
  3. Step 3: Cross multiply
    42,445,611.70x = 63,668,417.55 × 15,529,765.30
  4. Step 4: Simplify right side
    42,445,611.70x = 988,755,581,573,901
  5. Step 5: Solve for x
    x = 988,755,581,573,901/42,445,611.70
  6. Step 6: Final answer
    x = 23,294,647.95

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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.