Home / 4,752,000.20-7,128,000.30-4,472,064.20

Finding the Fourth Proportional to 4,752,000.20, 7,128,000.30 and 4,472,064.20

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Solution

The fourth proportional to 4,752,000.20, 7,128,000.30 and 4,472,064.20 is: 6,708,096.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,000.20 : 7,128,000.30 = 4,472,064.20 : x
  2. Step 2: Convert to fraction form
    4,752,000.20/7,128,000.30 = 4,472,064.20/x
  3. Step 3: Cross multiply
    4,752,000.20x = 7,128,000.30 × 4,472,064.20
  4. Step 4: Simplify right side
    4,752,000.20x = 31,876,874,959,219.26
  5. Step 5: Solve for x
    x = 31,876,874,959,219.26/4,752,000.20
  6. Step 6: Final answer
    x = 6,708,096.30

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Similar ratio
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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.