Home / 6,821,115.20-10,239,967.20-5,124,910.40

Finding the Fourth Proportional to 6,821,115.20, 10,239,967.20 and 5,124,910.40

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Solution

The fourth proportional to 6,821,115.20, 10,239,967.20 and 5,124,910.40 is: 7,693,597.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821,115.20 : 10,239,967.20 = 5,124,910.40 : x
  2. Step 2: Convert to fraction form
    6,821,115.20/10,239,967.20 = 5,124,910.40/x
  3. Step 3: Cross multiply
    6,821,115.20x = 10,239,967.20 × 5,124,910.40
  4. Step 4: Simplify right side
    6,821,115.20x = 52,478,914,398,938.88
  5. Step 5: Solve for x
    x = 52,478,914,398,938.88/6,821,115.20
  6. Step 6: Final answer
    x = 7,693,597.43

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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.