Home / 31,392,139.60-47,063,326.20-17,208,715.60

Finding the Fourth Proportional to 31,392,139.60, 47,063,326.20 and 17,208,715.60

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Solution

The fourth proportional to 31,392,139.60, 47,063,326.20 and 17,208,715.60 is: 25,799,432.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,392,139.60 : 47,063,326.20 = 17,208,715.60 : x
  2. Step 2: Convert to fraction form
    31,392,139.60/47,063,326.20 = 17,208,715.60/x
  3. Step 3: Cross multiply
    31,392,139.60x = 47,063,326.20 × 17,208,715.60
  4. Step 4: Simplify right side
    31,392,139.60x = 809,899,395,765,828.88
  5. Step 5: Solve for x
    x = 809,899,395,765,828.88/31,392,139.60
  6. Step 6: Final answer
    x = 25,799,432.79

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1.5x scale

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.