Home / 28,049,101.20-42,073,651.80-9,856,104.30

Finding the Fourth Proportional to 28,049,101.20, 42,073,651.80 and 9,856,104.30

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Solution

The fourth proportional to 28,049,101.20, 42,073,651.80 and 9,856,104.30 is: 14,784,156.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,049,101.20 : 42,073,651.80 = 9,856,104.30 : x
  2. Step 2: Convert to fraction form
    28,049,101.20/42,073,651.80 = 9,856,104.30/x
  3. Step 3: Cross multiply
    28,049,101.20x = 42,073,651.80 × 9,856,104.30
  4. Step 4: Simplify right side
    28,049,101.20x = 414,682,300,422,682.75
  5. Step 5: Solve for x
    x = 414,682,300,422,682.75/28,049,101.20
  6. Step 6: Final answer
    x = 14,784,156.45

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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.