Home / 9,387,805.87-12,951,045.30-5,664,560.12

Finding the Fourth Proportional to 9,387,805.87, 12,951,045.30 and 5,664,560.12

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Solution

The fourth proportional to 9,387,805.87, 12,951,045.30 and 5,664,560.12 is: 7,814,602.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,387,805.87 : 12,951,045.30 = 5,664,560.12 : x
  2. Step 2: Convert to fraction form
    9,387,805.87/12,951,045.30 = 5,664,560.12/x
  3. Step 3: Cross multiply
    9,387,805.87x = 12,951,045.30 × 5,664,560.12
  4. Step 4: Simplify right side
    9,387,805.87x = 73,361,974,751,071.05
  5. Step 5: Solve for x
    x = 73,361,974,751,071.05/9,387,805.87
  6. Step 6: Final answer
    x = 7,814,602.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.