Home / 12,547,998.60-18,821,997.90-4,029,196.20

Finding the Fourth Proportional to 12,547,998.60, 18,821,997.90 and 4,029,196.20

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Solution

The fourth proportional to 12,547,998.60, 18,821,997.90 and 4,029,196.20 is: 6,043,794.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547,998.60 : 18,821,997.90 = 4,029,196.20 : x
  2. Step 2: Convert to fraction form
    12,547,998.60/18,821,997.90 = 4,029,196.20/x
  3. Step 3: Cross multiply
    12,547,998.60x = 18,821,997.90 × 4,029,196.20
  4. Step 4: Simplify right side
    12,547,998.60x = 75,837,522,415,087.98
  5. Step 5: Solve for x
    x = 75,837,522,415,087.98/12,547,998.60
  6. Step 6: Final answer
    x = 6,043,794.30

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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.