Home / 13,542,252.44-18,684,693.28-8,031,045.28

Finding the Fourth Proportional to 13,542,252.44, 18,684,693.28 and 8,031,045.28

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Solution

The fourth proportional to 13,542,252.44, 18,684,693.28 and 8,031,045.28 is: 11,080,698.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,542,252.44 : 18,684,693.28 = 8,031,045.28 : x
  2. Step 2: Convert to fraction form
    13,542,252.44/18,684,693.28 = 8,031,045.28/x
  3. Step 3: Cross multiply
    13,542,252.44x = 18,684,693.28 × 8,031,045.28
  4. Step 4: Simplify right side
    13,542,252.44x = 150,057,617,774,591.72
  5. Step 5: Solve for x
    x = 150,057,617,774,591.72/13,542,252.44
  6. Step 6: Final answer
    x = 11,080,698.61

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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.