Home / 14,498,141.45-20,006,923.05-7,971,725.21

Finding the Fourth Proportional to 14,498,141.45, 20,006,923.05 and 7,971,725.21

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Solution

The fourth proportional to 14,498,141.45, 20,006,923.05 and 7,971,725.21 is: 11,000,699.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,498,141.45 : 20,006,923.05 = 7,971,725.21 : x
  2. Step 2: Convert to fraction form
    14,498,141.45/20,006,923.05 = 7,971,725.21/x
  3. Step 3: Cross multiply
    14,498,141.45x = 20,006,923.05 × 7,971,725.21
  4. Step 4: Simplify right side
    14,498,141.45x = 159,489,692,752,180.47
  5. Step 5: Solve for x
    x = 159,489,692,752,180.47/14,498,141.45
  6. Step 6: Final answer
    x = 11,000,699.18

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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.