Home / 7,666,658.40-11,498,638.77-2,807,960.88

Finding the Fourth Proportional to 7,666,658.40, 11,498,638.77 and 2,807,960.88

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Solution

The fourth proportional to 7,666,658.40, 11,498,638.77 and 2,807,960.88 is: 4,211,447.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,666,658.40 : 11,498,638.77 = 2,807,960.88 : x
  2. Step 2: Convert to fraction form
    7,666,658.40/11,498,638.77 = 2,807,960.88/x
  3. Step 3: Cross multiply
    7,666,658.40x = 11,498,638.77 × 2,807,960.88
  4. Step 4: Simplify right side
    7,666,658.40x = 32,287,727,839,411.32
  5. Step 5: Solve for x
    x = 32,287,727,839,411.32/7,666,658.40
  6. Step 6: Final answer
    x = 4,211,447.30

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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.