Home / 7,943,318.40-11,919,902.40-4,159,516.80

Finding the Fourth Proportional to 7,943,318.40, 11,919,902.40 and 4,159,516.80

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Solution

The fourth proportional to 7,943,318.40, 11,919,902.40 and 4,159,516.80 is: 6,241,854.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,943,318.40 : 11,919,902.40 = 4,159,516.80 : x
  2. Step 2: Convert to fraction form
    7,943,318.40/11,919,902.40 = 4,159,516.80/x
  3. Step 3: Cross multiply
    7,943,318.40x = 11,919,902.40 × 4,159,516.80
  4. Step 4: Simplify right side
    7,943,318.40x = 49,581,034,287,160.32
  5. Step 5: Solve for x
    x = 49,581,034,287,160.32/7,943,318.40
  6. Step 6: Final answer
    x = 6,241,854.07

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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.