Home / 51,008,962.64-76,513,788.20-18,647,551.85

Finding the Fourth Proportional to 51,008,962.64, 76,513,788.20 and 18,647,551.85

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Solution

The fourth proportional to 51,008,962.64, 76,513,788.20 and 18,647,551.85 is: 27,971,453.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,008,962.64 : 76,513,788.20 = 18,647,551.85 : x
  2. Step 2: Convert to fraction form
    51,008,962.64/76,513,788.20 = 18,647,551.85/x
  3. Step 3: Cross multiply
    51,008,962.64x = 76,513,788.20 × 18,647,551.85
  4. Step 4: Simplify right side
    51,008,962.64x = 1,426,794,832,363,468
  5. Step 5: Solve for x
    x = 1,426,794,832,363,468/51,008,962.64
  6. Step 6: Final answer
    x = 27,971,453.62

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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.