Home / 12,659,133.46-18,957,207.30-8,854,803.22

Finding the Fourth Proportional to 12,659,133.46, 18,957,207.30 and 8,854,803.22

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Solution

The fourth proportional to 12,659,133.46, 18,957,207.30 and 8,854,803.22 is: 13,260,176.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,659,133.46 : 18,957,207.30 = 8,854,803.22 : x
  2. Step 2: Convert to fraction form
    12,659,133.46/18,957,207.30 = 8,854,803.22/x
  3. Step 3: Cross multiply
    12,659,133.46x = 18,957,207.30 × 8,854,803.22
  4. Step 4: Simplify right side
    12,659,133.46x = 167,862,340,242,247.53
  5. Step 5: Solve for x
    x = 167,862,340,242,247.53/12,659,133.46
  6. Step 6: Final answer
    x = 13,260,176.20

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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.