Home / 31,117,512.29-42,941,040.03-17,178,568.46

Finding the Fourth Proportional to 31,117,512.29, 42,941,040.03 and 17,178,568.46

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Solution

The fourth proportional to 31,117,512.29, 42,941,040.03 and 17,178,568.46 is: 23,705,802.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,117,512.29 : 42,941,040.03 = 17,178,568.46 : x
  2. Step 2: Convert to fraction form
    31,117,512.29/42,941,040.03 = 17,178,568.46/x
  3. Step 3: Cross multiply
    31,117,512.29x = 42,941,040.03 × 17,178,568.46
  4. Step 4: Simplify right side
    31,117,512.29x = 737,665,595,845,279.12
  5. Step 5: Solve for x
    x = 737,665,595,845,279.12/31,117,512.29
  6. Step 6: Final answer
    x = 23,705,802.35

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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.