Home / 42,003,522-63,015,911.82-11,711,385

Finding the Fourth Proportional to 42,003,522, 63,015,911.82 and 11,711,385

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Solution

The fourth proportional to 42,003,522, 63,015,911.82 and 11,711,385 is: 17,570,041.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,003,522 : 63,015,911.82 = 11,711,385 : x
  2. Step 2: Convert to fraction form
    42,003,522/63,015,911.82 = 11,711,385/x
  3. Step 3: Cross multiply
    42,003,522x = 63,015,911.82 × 11,711,385
  4. Step 4: Simplify right side
    42,003,522x = 738,003,604,450,070.75
  5. Step 5: Solve for x
    x = 738,003,604,450,070.75/42,003,522
  6. Step 6: Final answer
    x = 17,570,041.02

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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.