Home / 7,976,030.80-11,964,046.20-2,657,246.80

Finding the Fourth Proportional to 7,976,030.80, 11,964,046.20 and 2,657,246.80

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Solution

The fourth proportional to 7,976,030.80, 11,964,046.20 and 2,657,246.80 is: 3,985,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,976,030.80 : 11,964,046.20 = 2,657,246.80 : x
  2. Step 2: Convert to fraction form
    7,976,030.80/11,964,046.20 = 2,657,246.80/x
  3. Step 3: Cross multiply
    7,976,030.80x = 11,964,046.20 × 2,657,246.80
  4. Step 4: Simplify right side
    7,976,030.80x = 31,791,423,480,002.16
  5. Step 5: Solve for x
    x = 31,791,423,480,002.16/7,976,030.80
  6. Step 6: Final answer
    x = 3,985,870.20

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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.