Home / 42,003,522.75-63,015,912.95-11,711,385.75

Finding the Fourth Proportional to 42,003,522.75, 63,015,912.95 and 11,711,385.75

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Solution

The fourth proportional to 42,003,522.75, 63,015,912.95 and 11,711,385.75 is: 17,570,042.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,003,522.75 : 63,015,912.95 = 11,711,385.75 : x
  2. Step 2: Convert to fraction form
    42,003,522.75/63,015,912.95 = 11,711,385.75/x
  3. Step 3: Cross multiply
    42,003,522.75x = 63,015,912.95 × 11,711,385.75
  4. Step 4: Simplify right side
    42,003,522.75x = 738,003,664,887,313.50
  5. Step 5: Solve for x
    x = 738,003,664,887,313.50/42,003,522.75
  6. Step 6: Final answer
    x = 17,570,042.14

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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.