Home / 19,806,510.56-27,322,851.76-13,202,470.40

Finding the Fourth Proportional to 19,806,510.56, 27,322,851.76 and 13,202,470.40

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Solution

The fourth proportional to 19,806,510.56, 27,322,851.76 and 13,202,470.40 is: 18,212,654.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,806,510.56 : 27,322,851.76 = 13,202,470.40 : x
  2. Step 2: Convert to fraction form
    19,806,510.56/27,322,851.76 = 13,202,470.40/x
  3. Step 3: Cross multiply
    19,806,510.56x = 27,322,851.76 × 13,202,470.40
  4. Step 4: Simplify right side
    19,806,510.56x = 360,729,141,435,367.44
  5. Step 5: Solve for x
    x = 360,729,141,435,367.44/19,806,510.56
  6. Step 6: Final answer
    x = 18,212,654.90

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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.