Home / 47,977,358.40-71,965,981.44-15,629,209.20

Finding the Fourth Proportional to 47,977,358.40, 71,965,981.44 and 15,629,209.20

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Solution

The fourth proportional to 47,977,358.40, 71,965,981.44 and 15,629,209.20 is: 23,443,795.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,977,358.40 : 71,965,981.44 = 15,629,209.20 : x
  2. Step 2: Convert to fraction form
    47,977,358.40/71,965,981.44 = 15,629,209.20/x
  3. Step 3: Cross multiply
    47,977,358.40x = 71,965,981.44 × 15,629,209.20
  4. Step 4: Simplify right side
    47,977,358.40x = 1,124,771,379,209,077.12
  5. Step 5: Solve for x
    x = 1,124,771,379,209,077.12/47,977,358.40
  6. Step 6: Final answer
    x = 23,443,795.51

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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.