Home / 18,887,385.60-28,336,860.33-9,671,883.02

Finding the Fourth Proportional to 18,887,385.60, 28,336,860.33 and 9,671,883.02

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Solution

The fourth proportional to 18,887,385.60, 28,336,860.33 and 9,671,883.02 is: 14,510,785.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,887,385.60 : 28,336,860.33 = 9,671,883.02 : x
  2. Step 2: Convert to fraction form
    18,887,385.60/28,336,860.33 = 9,671,883.02/x
  3. Step 3: Cross multiply
    18,887,385.60x = 28,336,860.33 × 9,671,883.02
  4. Step 4: Simplify right side
    18,887,385.60x = 274,070,798,124,154.28
  5. Step 5: Solve for x
    x = 274,070,798,124,154.28/18,887,385.60
  6. Step 6: Final answer
    x = 14,510,785.34

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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.