Home / 8,904,068.88-12,290,780.08-5,417,815.92

Finding the Fourth Proportional to 8,904,068.88, 12,290,780.08 and 5,417,815.92

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Solution

The fourth proportional to 8,904,068.88, 12,290,780.08 and 5,417,815.92 is: 7,478,511.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904,068.88 : 12,290,780.08 = 5,417,815.92 : x
  2. Step 2: Convert to fraction form
    8,904,068.88/12,290,780.08 = 5,417,815.92/x
  3. Step 3: Cross multiply
    8,904,068.88x = 12,290,780.08 × 5,417,815.92
  4. Step 4: Simplify right side
    8,904,068.88x = 66,589,183,916,849.50
  5. Step 5: Solve for x
    x = 66,589,183,916,849.50/8,904,068.88
  6. Step 6: Final answer
    x = 7,478,511.77

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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.