Home / 31,768,378.73-43,838,520.86-17,828,432.18

Finding the Fourth Proportional to 31,768,378.73, 43,838,520.86 and 17,828,432.18

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Solution

The fourth proportional to 31,768,378.73, 43,838,520.86 and 17,828,432.18 is: 24,602,202.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,768,378.73 : 43,838,520.86 = 17,828,432.18 : x
  2. Step 2: Convert to fraction form
    31,768,378.73/43,838,520.86 = 17,828,432.18/x
  3. Step 3: Cross multiply
    31,768,378.73x = 43,838,520.86 × 17,828,432.18
  4. Step 4: Simplify right side
    31,768,378.73x = 781,572,095,715,690.50
  5. Step 5: Solve for x
    x = 781,572,095,715,690.50/31,768,378.73
  6. Step 6: Final answer
    x = 24,602,202.79

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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.