Home / 18,172,848.70-27,259,273.05-13,071,015.10

Finding the Fourth Proportional to 18,172,848.70, 27,259,273.05 and 13,071,015.10

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Solution

The fourth proportional to 18,172,848.70, 27,259,273.05 and 13,071,015.10 is: 19,606,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,172,848.70 : 27,259,273.05 = 13,071,015.10 : x
  2. Step 2: Convert to fraction form
    18,172,848.70/27,259,273.05 = 13,071,015.10/x
  3. Step 3: Cross multiply
    18,172,848.70x = 27,259,273.05 × 13,071,015.10
  4. Step 4: Simplify right side
    18,172,848.70x = 356,306,369,651,573.06
  5. Step 5: Solve for x
    x = 356,306,369,651,573.06/18,172,848.70
  6. Step 6: Final answer
    x = 19,606,522.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.