Home / 7,802,686.19-11,691,248.31-4,155,543.84

Finding the Fourth Proportional to 7,802,686.19, 11,691,248.31 and 4,155,543.84

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Solution

The fourth proportional to 7,802,686.19, 11,691,248.31 and 4,155,543.84 is: 6,226,508.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,802,686.19 : 11,691,248.31 = 4,155,543.84 : x
  2. Step 2: Convert to fraction form
    7,802,686.19/11,691,248.31 = 4,155,543.84/x
  3. Step 3: Cross multiply
    7,802,686.19x = 11,691,248.31 × 4,155,543.84
  4. Step 4: Simplify right side
    7,802,686.19x = 48,583,494,838,074.67
  5. Step 5: Solve for x
    x = 48,583,494,838,074.67/7,802,686.19
  6. Step 6: Final answer
    x = 6,226,508.88

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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.