Home / 14,489,243.12-19,995,634.88-7,963,103.90

Finding the Fourth Proportional to 14,489,243.12, 19,995,634.88 and 7,963,103.90

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Solution

The fourth proportional to 14,489,243.12, 19,995,634.88 and 7,963,103.90 is: 10,989,346.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,489,243.12 : 19,995,634.88 = 7,963,103.90 : x
  2. Step 2: Convert to fraction form
    14,489,243.12/19,995,634.88 = 7,963,103.90/x
  3. Step 3: Cross multiply
    14,489,243.12x = 19,995,634.88 × 7,963,103.90
  4. Step 4: Simplify right side
    14,489,243.12x = 159,227,317,956,110.34
  5. Step 5: Solve for x
    x = 159,227,317,956,110.34/14,489,243.12
  6. Step 6: Final answer
    x = 10,989,346.83

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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.