Home / 8,765,998.20-13,148,997.30-5,173,486.20

Finding the Fourth Proportional to 8,765,998.20, 13,148,997.30 and 5,173,486.20

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Solution

The fourth proportional to 8,765,998.20, 13,148,997.30 and 5,173,486.20 is: 7,760,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765,998.20 : 13,148,997.30 = 5,173,486.20 : x
  2. Step 2: Convert to fraction form
    8,765,998.20/13,148,997.30 = 5,173,486.20/x
  3. Step 3: Cross multiply
    8,765,998.20x = 13,148,997.30 × 5,173,486.20
  4. Step 4: Simplify right side
    8,765,998.20x = 68,026,156,075,387.27
  5. Step 5: Solve for x
    x = 68,026,156,075,387.27/8,765,998.20
  6. Step 6: Final answer
    x = 7,760,229.30

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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.