Home / 8,121,247.65-12,182,623.16-2,656,373.49

Finding the Fourth Proportional to 8,121,247.65, 12,182,623.16 and 2,656,373.49

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Solution

The fourth proportional to 8,121,247.65, 12,182,623.16 and 2,656,373.49 is: 3,984,806.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,121,247.65 : 12,182,623.16 = 2,656,373.49 : x
  2. Step 2: Convert to fraction form
    8,121,247.65/12,182,623.16 = 2,656,373.49/x
  3. Step 3: Cross multiply
    8,121,247.65x = 12,182,623.16 × 2,656,373.49
  4. Step 4: Simplify right side
    8,121,247.65x = 32,361,597,187,602.16
  5. Step 5: Solve for x
    x = 32,361,597,187,602.16/8,121,247.65
  6. Step 6: Final answer
    x = 3,984,806.10

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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.