Home / 13,055,806.31-18,016,654.37-7,254,438.89

Finding the Fourth Proportional to 13,055,806.31, 18,016,654.37 and 7,254,438.89

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Solution

The fourth proportional to 13,055,806.31, 18,016,654.37 and 7,254,438.89 is: 10,010,926.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,055,806.31 : 18,016,654.37 = 7,254,438.89 : x
  2. Step 2: Convert to fraction form
    13,055,806.31/18,016,654.37 = 7,254,438.89/x
  3. Step 3: Cross multiply
    13,055,806.31x = 18,016,654.37 × 7,254,438.89
  4. Step 4: Simplify right side
    13,055,806.31x = 130,700,718,003,060.97
  5. Step 5: Solve for x
    x = 130,700,718,003,060.97/13,055,806.31
  6. Step 6: Final answer
    x = 10,010,926.55

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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.