Home / 12,215,353.61-18,323,019.98-3,117,450.47

Finding the Fourth Proportional to 12,215,353.61, 18,323,019.98 and 3,117,450.47

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Solution

The fourth proportional to 12,215,353.61, 18,323,019.98 and 3,117,450.47 is: 4,676,173.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,215,353.61 : 18,323,019.98 = 3,117,450.47 : x
  2. Step 2: Convert to fraction form
    12,215,353.61/18,323,019.98 = 3,117,450.47/x
  3. Step 3: Cross multiply
    12,215,353.61x = 18,323,019.98 × 3,117,450.47
  4. Step 4: Simplify right side
    12,215,353.61x = 57,121,107,278,690.70
  5. Step 5: Solve for x
    x = 57,121,107,278,690.70/12,215,353.61
  6. Step 6: Final answer
    x = 4,676,173.04

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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.