Home / 47,836,311.34-71,765,871.29-15,488,223.61

Finding the Fourth Proportional to 47,836,311.34, 71,765,871.29 and 15,488,223.61

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Solution

The fourth proportional to 47,836,311.34, 71,765,871.29 and 15,488,223.61 is: 23,236,027.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,836,311.34 : 71,765,871.29 = 15,488,223.61 : x
  2. Step 2: Convert to fraction form
    47,836,311.34/71,765,871.29 = 15,488,223.61/x
  3. Step 3: Cross multiply
    47,836,311.34x = 71,765,871.29 × 15,488,223.61
  4. Step 4: Simplify right side
    47,836,311.34x = 1,111,525,862,105,999.25
  5. Step 5: Solve for x
    x = 1,111,525,862,105,999.25/47,836,311.34
  6. Step 6: Final answer
    x = 23,236,027.84

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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.