Home / 14,498,137.69-20,006,917.88-7,971,721.45

Finding the Fourth Proportional to 14,498,137.69, 20,006,917.88 and 7,971,721.45

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Solution

The fourth proportional to 14,498,137.69, 20,006,917.88 and 7,971,721.45 is: 11,000,694.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,498,137.69 : 20,006,917.88 = 7,971,721.45 : x
  2. Step 2: Convert to fraction form
    14,498,137.69/20,006,917.88 = 7,971,721.45/x
  3. Step 3: Cross multiply
    14,498,137.69x = 20,006,917.88 × 7,971,721.45
  4. Step 4: Simplify right side
    14,498,137.69x = 159,489,576,322,508.62
  5. Step 5: Solve for x
    x = 159,489,576,322,508.62/14,498,137.69
  6. Step 6: Final answer
    x = 11,000,694.00

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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.