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Finding the Fourth Proportional to 17,955,006.45, 25,200,781.95 and 17,955,006.45

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Solution

The fourth proportional to 17,955,006.45, 25,200,781.95 and 17,955,006.45 is: 25,200,781.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,955,006.45 : 25,200,781.95 = 17,955,006.45 : x
  2. Step 2: Convert to fraction form
    17,955,006.45/25,200,781.95 = 17,955,006.45/x
  3. Step 3: Cross multiply
    17,955,006.45x = 25,200,781.95 × 17,955,006.45
  4. Step 4: Simplify right side
    17,955,006.45x = 452,480,202,457,293.56
  5. Step 5: Solve for x
    x = 452,480,202,457,293.56/17,955,006.45
  6. Step 6: Final answer
    x = 25,200,781.95

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.