Home / 38,099,463.84-57,157,069.20-12,542,006.88

Finding the Fourth Proportional to 38,099,463.84, 57,157,069.20 and 12,542,006.88

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Solution

The fourth proportional to 38,099,463.84, 57,157,069.20 and 12,542,006.88 is: 18,815,602.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,099,463.84 : 57,157,069.20 = 12,542,006.88 : x
  2. Step 2: Convert to fraction form
    38,099,463.84/57,157,069.20 = 12,542,006.88/x
  3. Step 3: Cross multiply
    38,099,463.84x = 57,157,069.20 × 12,542,006.88
  4. Step 4: Simplify right side
    38,099,463.84x = 716,864,355,147,036.12
  5. Step 5: Solve for x
    x = 716,864,355,147,036.12/38,099,463.84
  6. Step 6: Final answer
    x = 18,815,602.19

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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.