Home / 18,708,352.20-28,058,591.70-7,926,004.80

Finding the Fourth Proportional to 18,708,352.20, 28,058,591.70 and 7,926,004.80

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Solution

The fourth proportional to 18,708,352.20, 28,058,591.70 and 7,926,004.80 is: 11,887,339.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,708,352.20 : 28,058,591.70 = 7,926,004.80 : x
  2. Step 2: Convert to fraction form
    18,708,352.20/28,058,591.70 = 7,926,004.80/x
  3. Step 3: Cross multiply
    18,708,352.20x = 28,058,591.70 × 7,926,004.80
  4. Step 4: Simplify right side
    18,708,352.20x = 222,392,532,495,440.16
  5. Step 5: Solve for x
    x = 222,392,532,495,440.16/18,708,352.20
  6. Step 6: Final answer
    x = 11,887,339.41

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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.