Home / 20,182,617.12-30,276,921.36-6,531,187.68

Finding the Fourth Proportional to 20,182,617.12, 30,276,921.36 and 6,531,187.68

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Solution

The fourth proportional to 20,182,617.12, 30,276,921.36 and 6,531,187.68 is: 9,797,750.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182,617.12 : 30,276,921.36 = 6,531,187.68 : x
  2. Step 2: Convert to fraction form
    20,182,617.12/30,276,921.36 = 6,531,187.68/x
  3. Step 3: Cross multiply
    20,182,617.12x = 30,276,921.36 × 6,531,187.68
  4. Step 4: Simplify right side
    20,182,617.12x = 197,744,255,774,760.84
  5. Step 5: Solve for x
    x = 197,744,255,774,760.84/20,182,617.12
  6. Step 6: Final answer
    x = 9,797,750.94

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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.