Home / 38,290,602.86-57,436,404.46-12,731,611.76

Finding the Fourth Proportional to 38,290,602.86, 57,436,404.46 and 12,731,611.76

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Solution

The fourth proportional to 38,290,602.86, 57,436,404.46 and 12,731,611.76 is: 19,097,583.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,290,602.86 : 57,436,404.46 = 12,731,611.76 : x
  2. Step 2: Convert to fraction form
    38,290,602.86/57,436,404.46 = 12,731,611.76/x
  3. Step 3: Cross multiply
    38,290,602.86x = 57,436,404.46 × 12,731,611.76
  4. Step 4: Simplify right side
    38,290,602.86x = 731,258,002,156,041.50
  5. Step 5: Solve for x
    x = 731,258,002,156,041.50/38,290,602.86
  6. Step 6: Final answer
    x = 19,097,583.94

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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.