Home / 28,977,867.20-43,466,800.80-15,540,939.20

Finding the Fourth Proportional to 28,977,867.20, 43,466,800.80 and 15,540,939.20

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Solution

The fourth proportional to 28,977,867.20, 43,466,800.80 and 15,540,939.20 is: 23,311,408.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,977,867.20 : 43,466,800.80 = 15,540,939.20 : x
  2. Step 2: Convert to fraction form
    28,977,867.20/43,466,800.80 = 15,540,939.20/x
  3. Step 3: Cross multiply
    28,977,867.20x = 43,466,800.80 × 15,540,939.20
  4. Step 4: Simplify right side
    28,977,867.20x = 675,514,908,451,311.25
  5. Step 5: Solve for x
    x = 675,514,908,451,311.25/28,977,867.20
  6. Step 6: Final answer
    x = 23,311,408.80

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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.