Home / 19,874,018.10-27,424,335.15-11,499,940.38

Finding the Fourth Proportional to 19,874,018.10, 27,424,335.15 and 11,499,940.38

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Solution

The fourth proportional to 19,874,018.10, 27,424,335.15 and 11,499,940.38 is: 15,868,870.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,874,018.10 : 27,424,335.15 = 11,499,940.38 : x
  2. Step 2: Convert to fraction form
    19,874,018.10/27,424,335.15 = 11,499,940.38/x
  3. Step 3: Cross multiply
    19,874,018.10x = 27,424,335.15 × 11,499,940.38
  4. Step 4: Simplify right side
    19,874,018.10x = 315,378,219,186,138.38
  5. Step 5: Solve for x
    x = 315,378,219,186,138.38/19,874,018.10
  6. Step 6: Final answer
    x = 15,868,870.48

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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.