Home / 18,628,781.52-25,707,522.09-10,368,712.17

Finding the Fourth Proportional to 18,628,781.52, 25,707,522.09 and 10,368,712.17

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Solution

The fourth proportional to 18,628,781.52, 25,707,522.09 and 10,368,712.17 is: 14,308,713.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,628,781.52 : 25,707,522.09 = 10,368,712.17 : x
  2. Step 2: Convert to fraction form
    18,628,781.52/25,707,522.09 = 10,368,712.17/x
  3. Step 3: Cross multiply
    18,628,781.52x = 25,707,522.09 × 10,368,712.17
  4. Step 4: Simplify right side
    18,628,781.52x = 266,553,897,155,126.84
  5. Step 5: Solve for x
    x = 266,553,897,155,126.84/18,628,781.52
  6. Step 6: Final answer
    x = 14,308,713.47

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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.