Home / 20,273,431.68-27,978,032.16-11,106,072

Finding the Fourth Proportional to 20,273,431.68, 27,978,032.16 and 11,106,072

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Solution

The fourth proportional to 20,273,431.68, 27,978,032.16 and 11,106,072 is: 15,326,760.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,273,431.68 : 27,978,032.16 = 11,106,072 : x
  2. Step 2: Convert to fraction form
    20,273,431.68/27,978,032.16 = 11,106,072/x
  3. Step 3: Cross multiply
    20,273,431.68x = 27,978,032.16 × 11,106,072
  4. Step 4: Simplify right side
    20,273,431.68x = 310,726,039,587,275.50
  5. Step 5: Solve for x
    x = 310,726,039,587,275.50/20,273,431.68
  6. Step 6: Final answer
    x = 15,326,760.88

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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.