Home / 42,007,922.20-62,987,000.10-21,852,530.20

Finding the Fourth Proportional to 42,007,922.20, 62,987,000.10 and 21,852,530.20

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Solution

The fourth proportional to 42,007,922.20, 62,987,000.10 and 21,852,530.20 is: 32,765,851.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,007,922.20 : 62,987,000.10 = 21,852,530.20 : x
  2. Step 2: Convert to fraction form
    42,007,922.20/62,987,000.10 = 21,852,530.20/x
  3. Step 3: Cross multiply
    42,007,922.20x = 62,987,000.10 × 21,852,530.20
  4. Step 4: Simplify right side
    42,007,922.20x = 1,376,425,321,892,653
  5. Step 5: Solve for x
    x = 1,376,425,321,892,653/42,007,922.20
  6. Step 6: Final answer
    x = 32,765,851.05

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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.