Home / 15,290,011.92-21,100,210.26-8,414,493.96

Finding the Fourth Proportional to 15,290,011.92, 21,100,210.26 and 8,414,493.96

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Solution

The fourth proportional to 15,290,011.92, 21,100,210.26 and 8,414,493.96 is: 11,611,998.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,290,011.92 : 21,100,210.26 = 8,414,493.96 : x
  2. Step 2: Convert to fraction form
    15,290,011.92/21,100,210.26 = 8,414,493.96/x
  3. Step 3: Cross multiply
    15,290,011.92x = 21,100,210.26 × 8,414,493.96
  4. Step 4: Simplify right side
    15,290,011.92x = 177,547,591,787,500.06
  5. Step 5: Solve for x
    x = 177,547,591,787,500.06/15,290,011.92
  6. Step 6: Final answer
    x = 11,611,998.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.