Home / 5,665,415.40-8,498,123.10-5,105,543.40

Finding the Fourth Proportional to 5,665,415.40, 8,498,123.10 and 5,105,543.40

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Solution

The fourth proportional to 5,665,415.40, 8,498,123.10 and 5,105,543.40 is: 7,658,315.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,665,415.40 : 8,498,123.10 = 5,105,543.40 : x
  2. Step 2: Convert to fraction form
    5,665,415.40/8,498,123.10 = 5,105,543.40/x
  3. Step 3: Cross multiply
    5,665,415.40x = 8,498,123.10 × 5,105,543.40
  4. Step 4: Simplify right side
    5,665,415.40x = 43,387,536,305,592.54
  5. Step 5: Solve for x
    x = 43,387,536,305,592.54/5,665,415.40
  6. Step 6: Final answer
    x = 7,658,315.10

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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.