Home / 14,213,143.76-19,614,255.74-8,101,965.92

Finding the Fourth Proportional to 14,213,143.76, 19,614,255.74 and 8,101,965.92

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Solution

The fourth proportional to 14,213,143.76, 19,614,255.74 and 8,101,965.92 is: 11,180,779.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,213,143.76 : 19,614,255.74 = 8,101,965.92 : x
  2. Step 2: Convert to fraction form
    14,213,143.76/19,614,255.74 = 8,101,965.92/x
  3. Step 3: Cross multiply
    14,213,143.76x = 19,614,255.74 × 8,101,965.92
  4. Step 4: Simplify right side
    14,213,143.76x = 158,914,031,551,644.38
  5. Step 5: Solve for x
    x = 158,914,031,551,644.38/14,213,143.76
  6. Step 6: Final answer
    x = 11,180,779.86

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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.