Home / 28,970,078.20-43,455,117.30-18,194,947.90

Finding the Fourth Proportional to 28,970,078.20, 43,455,117.30 and 18,194,947.90

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Solution

The fourth proportional to 28,970,078.20, 43,455,117.30 and 18,194,947.90 is: 27,292,421.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,970,078.20 : 43,455,117.30 = 18,194,947.90 : x
  2. Step 2: Convert to fraction form
    28,970,078.20/43,455,117.30 = 18,194,947.90/x
  3. Step 3: Cross multiply
    28,970,078.20x = 43,455,117.30 × 18,194,947.90
  4. Step 4: Simplify right side
    28,970,078.20x = 790,663,595,261,888.50
  5. Step 5: Solve for x
    x = 790,663,595,261,888.50/28,970,078.20
  6. Step 6: Final answer
    x = 27,292,421.85

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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.