Home / 6,618,000.80-9,927,001.20-4,350,519.20

Finding the Fourth Proportional to 6,618,000.80, 9,927,001.20 and 4,350,519.20

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Solution

The fourth proportional to 6,618,000.80, 9,927,001.20 and 4,350,519.20 is: 6,525,778.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618,000.80 : 9,927,001.20 = 4,350,519.20 : x
  2. Step 2: Convert to fraction form
    6,618,000.80/9,927,001.20 = 4,350,519.20/x
  3. Step 3: Cross multiply
    6,618,000.80x = 9,927,001.20 × 4,350,519.20
  4. Step 4: Simplify right side
    6,618,000.80x = 43,187,609,319,023.04
  5. Step 5: Solve for x
    x = 43,187,609,319,023.04/6,618,000.80
  6. Step 6: Final answer
    x = 6,525,778.80

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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.