Home / 7,430,784.70-11,146,177.05-6,297,043.90

Finding the Fourth Proportional to 7,430,784.70, 11,146,177.05 and 6,297,043.90

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Solution

The fourth proportional to 7,430,784.70, 11,146,177.05 and 6,297,043.90 is: 9,445,565.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430,784.70 : 11,146,177.05 = 6,297,043.90 : x
  2. Step 2: Convert to fraction form
    7,430,784.70/11,146,177.05 = 6,297,043.90/x
  3. Step 3: Cross multiply
    7,430,784.70x = 11,146,177.05 × 6,297,043.90
  4. Step 4: Simplify right side
    7,430,784.70x = 70,187,966,201,022.50
  5. Step 5: Solve for x
    x = 70,187,966,201,022.50/7,430,784.70
  6. Step 6: Final answer
    x = 9,445,565.85

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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.