Home / 14,310,922.28-19,748,965.38-8,117,148.20

Finding the Fourth Proportional to 14,310,922.28, 19,748,965.38 and 8,117,148.20

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Solution

The fourth proportional to 14,310,922.28, 19,748,965.38 and 8,117,148.20 is: 11,201,603.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,310,922.28 : 19,748,965.38 = 8,117,148.20 : x
  2. Step 2: Convert to fraction form
    14,310,922.28/19,748,965.38 = 8,117,148.20/x
  3. Step 3: Cross multiply
    14,310,922.28x = 19,748,965.38 × 8,117,148.20
  4. Step 4: Simplify right side
    14,310,922.28x = 160,305,278,786,129.31
  5. Step 5: Solve for x
    x = 160,305,278,786,129.31/14,310,922.28
  6. Step 6: Final answer
    x = 11,201,603.62

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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.