Home / 8,019,008.20-12,028,512.30-2,901,428.20

Finding the Fourth Proportional to 8,019,008.20, 12,028,512.30 and 2,901,428.20

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Solution

The fourth proportional to 8,019,008.20, 12,028,512.30 and 2,901,428.20 is: 4,352,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,019,008.20 : 12,028,512.30 = 2,901,428.20 : x
  2. Step 2: Convert to fraction form
    8,019,008.20/12,028,512.30 = 2,901,428.20/x
  3. Step 3: Cross multiply
    8,019,008.20x = 12,028,512.30 × 2,901,428.20
  4. Step 4: Simplify right side
    8,019,008.20x = 34,899,864,791,266.86
  5. Step 5: Solve for x
    x = 34,899,864,791,266.86/8,019,008.20
  6. Step 6: Final answer
    x = 4,352,142.30

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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.