Home / 31,768,380.73-43,838,523.61-17,828,434.18

Finding the Fourth Proportional to 31,768,380.73, 43,838,523.61 and 17,828,434.18

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Solution

The fourth proportional to 31,768,380.73, 43,838,523.61 and 17,828,434.18 is: 24,602,205.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,768,380.73 : 43,838,523.61 = 17,828,434.18 : x
  2. Step 2: Convert to fraction form
    31,768,380.73/43,838,523.61 = 17,828,434.18/x
  3. Step 3: Cross multiply
    31,768,380.73x = 43,838,523.61 × 17,828,434.18
  4. Step 4: Simplify right side
    31,768,380.73x = 781,572,232,729,261
  5. Step 5: Solve for x
    x = 781,572,232,729,261/31,768,380.73
  6. Step 6: Final answer
    x = 24,602,205.55

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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.