Home / 8,381,529.80-12,553,632.30-7,261,785.80

Finding the Fourth Proportional to 8,381,529.80, 12,553,632.30 and 7,261,785.80

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Solution

The fourth proportional to 8,381,529.80, 12,553,632.30 and 7,261,785.80 is: 10,876,509.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,381,529.80 : 12,553,632.30 = 7,261,785.80 : x
  2. Step 2: Convert to fraction form
    8,381,529.80/12,553,632.30 = 7,261,785.80/x
  3. Step 3: Cross multiply
    8,381,529.80x = 12,553,632.30 × 7,261,785.80
  4. Step 4: Simplify right side
    8,381,529.80x = 91,161,788,774,561.34
  5. Step 5: Solve for x
    x = 91,161,788,774,561.34/8,381,529.80
  6. Step 6: Final answer
    x = 10,876,509.53

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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.