Home / 8,612,997.49-12,919,496.27-2,547,257.21

Finding the Fourth Proportional to 8,612,997.49, 12,919,496.27 and 2,547,257.21

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Solution

The fourth proportional to 8,612,997.49, 12,919,496.27 and 2,547,257.21 is: 3,820,885.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,612,997.49 : 12,919,496.27 = 2,547,257.21 : x
  2. Step 2: Convert to fraction form
    8,612,997.49/12,919,496.27 = 2,547,257.21/x
  3. Step 3: Cross multiply
    8,612,997.49x = 12,919,496.27 × 2,547,257.21
  4. Step 4: Simplify right side
    8,612,997.49x = 32,909,280,023,325.61
  5. Step 5: Solve for x
    x = 32,909,280,023,325.61/8,612,997.49
  6. Step 6: Final answer
    x = 3,820,885.83

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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.