Home / 5,363,997.80-8,045,996.70-5,115,165.80

Finding the Fourth Proportional to 5,363,997.80, 8,045,996.70 and 5,115,165.80

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Solution

The fourth proportional to 5,363,997.80, 8,045,996.70 and 5,115,165.80 is: 7,672,748.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363,997.80 : 8,045,996.70 = 5,115,165.80 : x
  2. Step 2: Convert to fraction form
    5,363,997.80/8,045,996.70 = 5,115,165.80/x
  3. Step 3: Cross multiply
    5,363,997.80x = 8,045,996.70 × 5,115,165.80
  4. Step 4: Simplify right side
    5,363,997.80x = 41,156,607,146,752.86
  5. Step 5: Solve for x
    x = 41,156,607,146,752.86/5,363,997.80
  6. Step 6: Final answer
    x = 7,672,748.70

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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.