Home / 7,338,813.80-11,008,220.70-5,425,626.20

Finding the Fourth Proportional to 7,338,813.80, 11,008,220.70 and 5,425,626.20

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Solution

The fourth proportional to 7,338,813.80, 11,008,220.70 and 5,425,626.20 is: 8,138,439.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,338,813.80 : 11,008,220.70 = 5,425,626.20 : x
  2. Step 2: Convert to fraction form
    7,338,813.80/11,008,220.70 = 5,425,626.20/x
  3. Step 3: Cross multiply
    7,338,813.80x = 11,008,220.70 × 5,425,626.20
  4. Step 4: Simplify right side
    7,338,813.80x = 59,726,490,645,302.34
  5. Step 5: Solve for x
    x = 59,726,490,645,302.34/7,338,813.80
  6. Step 6: Final answer
    x = 8,138,439.30

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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.