Home / 13,472,334.30-20,208,501.45-12,433,071.90

Finding the Fourth Proportional to 13,472,334.30, 20,208,501.45 and 12,433,071.90

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Solution

The fourth proportional to 13,472,334.30, 20,208,501.45 and 12,433,071.90 is: 18,649,607.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472,334.30 : 20,208,501.45 = 12,433,071.90 : x
  2. Step 2: Convert to fraction form
    13,472,334.30/20,208,501.45 = 12,433,071.90/x
  3. Step 3: Cross multiply
    13,472,334.30x = 20,208,501.45 × 12,433,071.90
  4. Step 4: Simplify right side
    13,472,334.30x = 251,253,751,519,104.25
  5. Step 5: Solve for x
    x = 251,253,751,519,104.25/13,472,334.30
  6. Step 6: Final answer
    x = 18,649,607.85

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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.