Home / 38,290,000-57,435,500.28-12,731,009.41

Finding the Fourth Proportional to 38,290,000, 57,435,500.28 and 12,731,009.41

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Solution

The fourth proportional to 38,290,000, 57,435,500.28 and 12,731,009.41 is: 19,096,680.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,290,000 : 57,435,500.28 = 12,731,009.41 : x
  2. Step 2: Convert to fraction form
    38,290,000/57,435,500.28 = 12,731,009.41/x
  3. Step 3: Cross multiply
    38,290,000x = 57,435,500.28 × 12,731,009.41
  4. Step 4: Simplify right side
    38,290,000x = 731,211,894,532,737.62
  5. Step 5: Solve for x
    x = 731,211,894,532,737.62/38,290,000
  6. Step 6: Final answer
    x = 19,096,680.45

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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.