Home / 7,791,560.87-11,687,341.40-2,111,785.18

Finding the Fourth Proportional to 7,791,560.87, 11,687,341.40 and 2,111,785.18

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Solution

The fourth proportional to 7,791,560.87, 11,687,341.40 and 2,111,785.18 is: 3,167,677.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791,560.87 : 11,687,341.40 = 2,111,785.18 : x
  2. Step 2: Convert to fraction form
    7,791,560.87/11,687,341.40 = 2,111,785.18/x
  3. Step 3: Cross multiply
    7,791,560.87x = 11,687,341.40 × 2,111,785.18
  4. Step 4: Simplify right side
    7,791,560.87x = 24,681,154,330,262.37
  5. Step 5: Solve for x
    x = 24,681,154,330,262.37/7,791,560.87
  6. Step 6: Final answer
    x = 3,167,677.79

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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.