Home / 8,773,577.28-12,080,620.80-7,679,727.36

Finding the Fourth Proportional to 8,773,577.28, 12,080,620.80 and 7,679,727.36

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Solution

The fourth proportional to 8,773,577.28, 12,080,620.80 and 7,679,727.36 is: 10,574,463.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773,577.28 : 12,080,620.80 = 7,679,727.36 : x
  2. Step 2: Convert to fraction form
    8,773,577.28/12,080,620.80 = 7,679,727.36/x
  3. Step 3: Cross multiply
    8,773,577.28x = 12,080,620.80 × 7,679,727.36
  4. Step 4: Simplify right side
    8,773,577.28x = 92,775,874,083,545.09
  5. Step 5: Solve for x
    x = 92,775,874,083,545.09/8,773,577.28
  6. Step 6: Final answer
    x = 10,574,463.66

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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.