Home / 18,859,130.69-28,414,717.16-17,039,610.47

Finding the Fourth Proportional to 18,859,130.69, 28,414,717.16 and 17,039,610.47

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Solution

The fourth proportional to 18,859,130.69, 28,414,717.16 and 17,039,610.47 is: 25,673,278.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,859,130.69 : 28,414,717.16 = 17,039,610.47 : x
  2. Step 2: Convert to fraction form
    18,859,130.69/28,414,717.16 = 17,039,610.47/x
  3. Step 3: Cross multiply
    18,859,130.69x = 28,414,717.16 × 17,039,610.47
  4. Step 4: Simplify right side
    18,859,130.69x = 484,175,712,007,463.44
  5. Step 5: Solve for x
    x = 484,175,712,007,463.44/18,859,130.69
  6. Step 6: Final answer
    x = 25,673,278.38

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.