Home / 7,965,862.60-11,948,793.90-2,919,141.40

Finding the Fourth Proportional to 7,965,862.60, 11,948,793.90 and 2,919,141.40

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Solution

The fourth proportional to 7,965,862.60, 11,948,793.90 and 2,919,141.40 is: 4,378,712.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965,862.60 : 11,948,793.90 = 2,919,141.40 : x
  2. Step 2: Convert to fraction form
    7,965,862.60/11,948,793.90 = 2,919,141.40/x
  3. Step 3: Cross multiply
    7,965,862.60x = 11,948,793.90 × 2,919,141.40
  4. Step 4: Simplify right side
    7,965,862.60x = 34,880,218,953,557.46
  5. Step 5: Solve for x
    x = 34,880,218,953,557.46/7,965,862.60
  6. Step 6: Final answer
    x = 4,378,712.10

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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.