Home / 47,836,309.34-71,765,868.29-15,488,221.61

Finding the Fourth Proportional to 47,836,309.34, 71,765,868.29 and 15,488,221.61

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Solution

The fourth proportional to 47,836,309.34, 71,765,868.29 and 15,488,221.61 is: 23,236,024.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,836,309.34 : 71,765,868.29 = 15,488,221.61 : x
  2. Step 2: Convert to fraction form
    47,836,309.34/71,765,868.29 = 15,488,221.61/x
  3. Step 3: Cross multiply
    47,836,309.34x = 71,765,868.29 × 15,488,221.61
  4. Step 4: Simplify right side
    47,836,309.34x = 1,111,525,671,673,321.25
  5. Step 5: Solve for x
    x = 1,111,525,671,673,321.25/47,836,309.34
  6. Step 6: Final answer
    x = 23,236,024.83

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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.