Home / 14,244,945.50-19,658,042.07-7,718,569.90

Finding the Fourth Proportional to 14,244,945.50, 19,658,042.07 and 7,718,569.90

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Solution

The fourth proportional to 14,244,945.50, 19,658,042.07 and 7,718,569.90 is: 10,651,635.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,244,945.50 : 19,658,042.07 = 7,718,569.90 : x
  2. Step 2: Convert to fraction form
    14,244,945.50/19,658,042.07 = 7,718,569.90/x
  3. Step 3: Cross multiply
    14,244,945.50x = 19,658,042.07 × 7,718,569.90
  4. Step 4: Simplify right side
    14,244,945.50x = 151,731,971,814,435.69
  5. Step 5: Solve for x
    x = 151,731,971,814,435.69/14,244,945.50
  6. Step 6: Final answer
    x = 10,651,635.83

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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.