Home / 7,140,056.89-9,853,290.17-3,876,877.93

Finding the Fourth Proportional to 7,140,056.89, 9,853,290.17 and 3,876,877.93

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Solution

The fourth proportional to 7,140,056.89, 9,853,290.17 and 3,876,877.93 is: 5,350,097.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,140,056.89 : 9,853,290.17 = 3,876,877.93 : x
  2. Step 2: Convert to fraction form
    7,140,056.89/9,853,290.17 = 3,876,877.93/x
  3. Step 3: Cross multiply
    7,140,056.89x = 9,853,290.17 × 3,876,877.93
  4. Step 4: Simplify right side
    7,140,056.89x = 38,200,003,168,479.62
  5. Step 5: Solve for x
    x = 38,200,003,168,479.62/7,140,056.89
  6. Step 6: Final answer
    x = 5,350,097.87

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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.