Home / 8,381,089.80-12,552,972.30-7,261,345.80

Finding the Fourth Proportional to 8,381,089.80, 12,552,972.30 and 7,261,345.80

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Solution

The fourth proportional to 8,381,089.80, 12,552,972.30 and 7,261,345.80 is: 10,875,849.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,381,089.80 : 12,552,972.30 = 7,261,345.80 : x
  2. Step 2: Convert to fraction form
    8,381,089.80/12,552,972.30 = 7,261,345.80/x
  3. Step 3: Cross multiply
    8,381,089.80x = 12,552,972.30 × 7,261,345.80
  4. Step 4: Simplify right side
    8,381,089.80x = 91,151,472,688,121.34
  5. Step 5: Solve for x
    x = 91,151,472,688,121.34/8,381,089.80
  6. Step 6: Final answer
    x = 10,875,849.66

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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.