Home / 7,471,808.20-11,207,712.30-4,920,891.40

Finding the Fourth Proportional to 7,471,808.20, 11,207,712.30 and 4,920,891.40

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Solution

The fourth proportional to 7,471,808.20, 11,207,712.30 and 4,920,891.40 is: 7,381,337.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,471,808.20 : 11,207,712.30 = 4,920,891.40 : x
  2. Step 2: Convert to fraction form
    7,471,808.20/11,207,712.30 = 4,920,891.40/x
  3. Step 3: Cross multiply
    7,471,808.20x = 11,207,712.30 × 4,920,891.40
  4. Step 4: Simplify right side
    7,471,808.20x = 55,151,935,070,744.23
  5. Step 5: Solve for x
    x = 55,151,935,070,744.23/7,471,808.20
  6. Step 6: Final answer
    x = 7,381,337.10

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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.