Home / 38,910,837.46-58,365,321.07-12,649,639.10

Finding the Fourth Proportional to 38,910,837.46, 58,365,321.07 and 12,649,639.10

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Solution

The fourth proportional to 38,910,837.46, 58,365,321.07 and 12,649,639.10 is: 18,974,154.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,910,837.46 : 58,365,321.07 = 12,649,639.10 : x
  2. Step 2: Convert to fraction form
    38,910,837.46/58,365,321.07 = 12,649,639.10/x
  3. Step 3: Cross multiply
    38,910,837.46x = 58,365,321.07 × 12,649,639.10
  4. Step 4: Simplify right side
    38,910,837.46x = 738,300,247,273,454.88
  5. Step 5: Solve for x
    x = 738,300,247,273,454.88/38,910,837.46
  6. Step 6: Final answer
    x = 18,974,154.64

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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.