Home / 10,040,390.60-15,043,997.10-8,547,398.60

Finding the Fourth Proportional to 10,040,390.60, 15,043,997.10 and 8,547,398.60

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Solution

The fourth proportional to 10,040,390.60, 15,043,997.10 and 8,547,398.60 is: 12,806,975.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,040,390.60 : 15,043,997.10 = 8,547,398.60 : x
  2. Step 2: Convert to fraction form
    10,040,390.60/15,043,997.10 = 8,547,398.60/x
  3. Step 3: Cross multiply
    10,040,390.60x = 15,043,997.10 × 8,547,398.60
  4. Step 4: Simplify right side
    10,040,390.60x = 128,587,039,750,944.05
  5. Step 5: Solve for x
    x = 128,587,039,750,944.05/10,040,390.60
  6. Step 6: Final answer
    x = 12,806,975.83

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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.