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Finding the Fourth Proportional to 37,358,404.80, 56,048,104.80 and 18,189,787.20

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Solution

The fourth proportional to 37,358,404.80, 56,048,104.80 and 18,189,787.20 is: 27,289,792.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,358,404.80 : 56,048,104.80 = 18,189,787.20 : x
  2. Step 2: Convert to fraction form
    37,358,404.80/56,048,104.80 = 18,189,787.20/x
  3. Step 3: Cross multiply
    37,358,404.80x = 56,048,104.80 × 18,189,787.20
  4. Step 4: Simplify right side
    37,358,404.80x = 1,019,503,099,275,298.50
  5. Step 5: Solve for x
    x = 1,019,503,099,275,298.50/37,358,404.80
  6. Step 6: Final answer
    x = 27,289,792.08

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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.