Home / 7,778,204.40-11,667,229.80-2,459,420.40

Finding the Fourth Proportional to 7,778,204.40, 11,667,229.80 and 2,459,420.40

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Solution

The fourth proportional to 7,778,204.40, 11,667,229.80 and 2,459,420.40 is: 3,689,106.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778,204.40 : 11,667,229.80 = 2,459,420.40 : x
  2. Step 2: Convert to fraction form
    7,778,204.40/11,667,229.80 = 2,459,420.40/x
  3. Step 3: Cross multiply
    7,778,204.40x = 11,667,229.80 × 2,459,420.40
  4. Step 4: Simplify right side
    7,778,204.40x = 28,694,622,981,607.92
  5. Step 5: Solve for x
    x = 28,694,622,981,607.92/7,778,204.40
  6. Step 6: Final answer
    x = 3,689,106.32

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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.