Home / 20,019,119.31-27,625,921.02-11,316,920.49

Finding the Fourth Proportional to 20,019,119.31, 27,625,921.02 and 11,316,920.49

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Solution

The fourth proportional to 20,019,119.31, 27,625,921.02 and 11,316,920.49 is: 15,617,088.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,019,119.31 : 27,625,921.02 = 11,316,920.49 : x
  2. Step 2: Convert to fraction form
    20,019,119.31/27,625,921.02 = 11,316,920.49/x
  3. Step 3: Cross multiply
    20,019,119.31x = 27,625,921.02 × 11,316,920.49
  4. Step 4: Simplify right side
    20,019,119.31x = 312,640,351,646,359.69
  5. Step 5: Solve for x
    x = 312,640,351,646,359.69/20,019,119.31
  6. Step 6: Final answer
    x = 15,617,088.18

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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.