Home / 10,812,187.85-16,216,473.40-4,745,290.61

Finding the Fourth Proportional to 10,812,187.85, 16,216,473.40 and 4,745,290.61

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Solution

The fourth proportional to 10,812,187.85, 16,216,473.40 and 4,745,290.61 is: 7,117,142.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,812,187.85 : 16,216,473.40 = 4,745,290.61 : x
  2. Step 2: Convert to fraction form
    10,812,187.85/16,216,473.40 = 4,745,290.61/x
  3. Step 3: Cross multiply
    10,812,187.85x = 16,216,473.40 × 4,745,290.61
  4. Step 4: Simplify right side
    10,812,187.85x = 76,951,878,981,012.73
  5. Step 5: Solve for x
    x = 76,951,878,981,012.73/10,812,187.85
  6. Step 6: Final answer
    x = 7,117,142.26

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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.