Home / 12,220,267.10-18,330,397.88-3,122,381.72

Finding the Fourth Proportional to 12,220,267.10, 18,330,397.88 and 3,122,381.72

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Solution

The fourth proportional to 12,220,267.10, 18,330,397.88 and 3,122,381.72 is: 4,683,571.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,220,267.10 : 18,330,397.88 = 3,122,381.72 : x
  2. Step 2: Convert to fraction form
    12,220,267.10/18,330,397.88 = 3,122,381.72/x
  3. Step 3: Cross multiply
    12,220,267.10x = 18,330,397.88 × 3,122,381.72
  4. Step 4: Simplify right side
    12,220,267.10x = 57,234,499,291,052.84
  5. Step 5: Solve for x
    x = 57,234,499,291,052.84/12,220,267.10
  6. Step 6: Final answer
    x = 4,683,571.88

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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.