Home / 15,201,238.32-20,977,729.16-8,231,927.88

Finding the Fourth Proportional to 15,201,238.32, 20,977,729.16 and 8,231,927.88

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Solution

The fourth proportional to 15,201,238.32, 20,977,729.16 and 8,231,927.88 is: 11,360,071.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,201,238.32 : 20,977,729.16 = 8,231,927.88 : x
  2. Step 2: Convert to fraction form
    15,201,238.32/20,977,729.16 = 8,231,927.88/x
  3. Step 3: Cross multiply
    15,201,238.32x = 20,977,729.16 × 8,231,927.88
  4. Step 4: Simplify right side
    15,201,238.32x = 172,687,153,531,292.97
  5. Step 5: Solve for x
    x = 172,687,153,531,292.97/15,201,238.32
  6. Step 6: Final answer
    x = 11,360,071.46

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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.