Home / 7,156,793.78-9,876,239.28-3,974,114.34

Finding the Fourth Proportional to 7,156,793.78, 9,876,239.28 and 3,974,114.34

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Solution

The fourth proportional to 7,156,793.78, 9,876,239.28 and 3,974,114.34 is: 5,484,202.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156,793.78 : 9,876,239.28 = 3,974,114.34 : x
  2. Step 2: Convert to fraction form
    7,156,793.78/9,876,239.28 = 3,974,114.34/x
  3. Step 3: Cross multiply
    7,156,793.78x = 9,876,239.28 × 3,974,114.34
  4. Step 4: Simplify right side
    7,156,793.78x = 39,249,304,147,919.27
  5. Step 5: Solve for x
    x = 39,249,304,147,919.27/7,156,793.78
  6. Step 6: Final answer
    x = 5,484,202.19

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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.