Home / 31,539,847.76-47,309,456.37-9,974,453.12

Finding the Fourth Proportional to 31,539,847.76, 47,309,456.37 and 9,974,453.12

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Solution

The fourth proportional to 31,539,847.76, 47,309,456.37 and 9,974,453.12 is: 14,961,579.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,539,847.76 : 47,309,456.37 = 9,974,453.12 : x
  2. Step 2: Convert to fraction form
    31,539,847.76/47,309,456.37 = 9,974,453.12/x
  3. Step 3: Cross multiply
    31,539,847.76x = 47,309,456.37 × 9,974,453.12
  4. Step 4: Simplify right side
    31,539,847.76x = 471,885,954,695,250.31
  5. Step 5: Solve for x
    x = 471,885,954,695,250.31/31,539,847.76
  6. Step 6: Final answer
    x = 14,961,579.98

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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.