Home / 7,139,884.16-9,853,211.34-3,876,836.42

Finding the Fourth Proportional to 7,139,884.16, 9,853,211.34 and 3,876,836.42

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Solution

The fourth proportional to 7,139,884.16, 9,853,211.34 and 3,876,836.42 is: 5,350,127.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,884.16 : 9,853,211.34 = 3,876,836.42 : x
  2. Step 2: Convert to fraction form
    7,139,884.16/9,853,211.34 = 3,876,836.42/x
  3. Step 3: Cross multiply
    7,139,884.16x = 9,853,211.34 × 3,876,836.42
  4. Step 4: Simplify right side
    7,139,884.16x = 38,199,288,527,602.95
  5. Step 5: Solve for x
    x = 38,199,288,527,602.95/7,139,884.16
  6. Step 6: Final answer
    x = 5,350,127.21

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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.