Home / 47,977,305.21-71,965,901.52-15,629,155.74

Finding the Fourth Proportional to 47,977,305.21, 71,965,901.52 and 15,629,155.74

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Solution

The fourth proportional to 47,977,305.21, 71,965,901.52 and 15,629,155.74 is: 23,443,715.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,977,305.21 : 71,965,901.52 = 15,629,155.74 : x
  2. Step 2: Convert to fraction form
    47,977,305.21/71,965,901.52 = 15,629,155.74/x
  3. Step 3: Cross multiply
    47,977,305.21x = 71,965,901.52 × 15,629,155.74
  4. Step 4: Simplify right side
    47,977,305.21x = 1,124,766,282,825,582.62
  5. Step 5: Solve for x
    x = 1,124,766,282,825,582.62/47,977,305.21
  6. Step 6: Final answer
    x = 23,443,715.27

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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.