Home / 7,490,469.90-11,235,704.85-7,415,820.30

Finding the Fourth Proportional to 7,490,469.90, 11,235,704.85 and 7,415,820.30

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Solution

The fourth proportional to 7,490,469.90, 11,235,704.85 and 7,415,820.30 is: 11,123,730.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490,469.90 : 11,235,704.85 = 7,415,820.30 : x
  2. Step 2: Convert to fraction form
    7,490,469.90/11,235,704.85 = 7,415,820.30/x
  3. Step 3: Cross multiply
    7,490,469.90x = 11,235,704.85 × 7,415,820.30
  4. Step 4: Simplify right side
    7,490,469.90x = 83,321,968,111,438.45
  5. Step 5: Solve for x
    x = 83,321,968,111,438.45/7,490,469.90
  6. Step 6: Final answer
    x = 11,123,730.45

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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.