Home / 7,452,017.20-11,178,025.80-6,507,233.20

Finding the Fourth Proportional to 7,452,017.20, 11,178,025.80 and 6,507,233.20

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Solution

The fourth proportional to 7,452,017.20, 11,178,025.80 and 6,507,233.20 is: 9,760,849.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,452,017.20 : 11,178,025.80 = 6,507,233.20 : x
  2. Step 2: Convert to fraction form
    7,452,017.20/11,178,025.80 = 6,507,233.20/x
  3. Step 3: Cross multiply
    7,452,017.20x = 11,178,025.80 × 6,507,233.20
  4. Step 4: Simplify right side
    7,452,017.20x = 72,738,020,596,216.56
  5. Step 5: Solve for x
    x = 72,738,020,596,216.56/7,452,017.20
  6. Step 6: Final answer
    x = 9,760,849.80

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Double scale
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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.