Home / 38,600,618.86-57,902,790.43-12,692,346.55

Finding the Fourth Proportional to 38,600,618.86, 57,902,790.43 and 12,692,346.55

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Solution

The fourth proportional to 38,600,618.86, 57,902,790.43 and 12,692,346.55 is: 19,039,132.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,600,618.86 : 57,902,790.43 = 12,692,346.55 : x
  2. Step 2: Convert to fraction form
    38,600,618.86/57,902,790.43 = 12,692,346.55/x
  3. Step 3: Cross multiply
    38,600,618.86x = 57,902,790.43 × 12,692,346.55
  4. Step 4: Simplify right side
    38,600,618.86x = 734,922,282,220,691.88
  5. Step 5: Solve for x
    x = 734,922,282,220,691.88/38,600,618.86
  6. Step 6: Final answer
    x = 19,039,132.12

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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.