Home / 19,791,972.70-27,311,544.54-10,971,339.18

Finding the Fourth Proportional to 19,791,972.70, 27,311,544.54 and 10,971,339.18

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Solution

The fourth proportional to 19,791,972.70, 27,311,544.54 and 10,971,339.18 is: 15,139,684.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,791,972.70 : 27,311,544.54 = 10,971,339.18 : x
  2. Step 2: Convert to fraction form
    19,791,972.70/27,311,544.54 = 10,971,339.18/x
  3. Step 3: Cross multiply
    19,791,972.70x = 27,311,544.54 × 10,971,339.18
  4. Step 4: Simplify right side
    19,791,972.70x = 299,644,218,758,998.56
  5. Step 5: Solve for x
    x = 299,644,218,758,998.56/19,791,972.70
  6. Step 6: Final answer
    x = 15,139,684.32

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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.