Home / 28,202,423.20-42,306,745.20-9,029,917.60

Finding the Fourth Proportional to 28,202,423.20, 42,306,745.20 and 9,029,917.60

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Solution

The fourth proportional to 28,202,423.20, 42,306,745.20 and 9,029,917.60 is: 13,545,872.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,202,423.20 : 42,306,745.20 = 9,029,917.60 : x
  2. Step 2: Convert to fraction form
    28,202,423.20/42,306,745.20 = 9,029,917.60/x
  3. Step 3: Cross multiply
    28,202,423.20x = 42,306,745.20 × 9,029,917.60
  4. Step 4: Simplify right side
    28,202,423.20x = 382,026,423,080,195.50
  5. Step 5: Solve for x
    x = 382,026,423,080,195.50/28,202,423.20
  6. Step 6: Final answer
    x = 13,545,872.30

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1.5x scale

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.