Home / 31,074,257.45-42,883,510.52-16,946,214.78

Finding the Fourth Proportional to 31,074,257.45, 42,883,510.52 and 16,946,214.78

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Solution

The fourth proportional to 31,074,257.45, 42,883,510.52 and 16,946,214.78 is: 23,386,340.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,074,257.45 : 42,883,510.52 = 16,946,214.78 : x
  2. Step 2: Convert to fraction form
    31,074,257.45/42,883,510.52 = 16,946,214.78/x
  3. Step 3: Cross multiply
    31,074,257.45x = 42,883,510.52 × 16,946,214.78
  4. Step 4: Simplify right side
    31,074,257.45x = 726,713,179,707,578.50
  5. Step 5: Solve for x
    x = 726,713,179,707,578.50/31,074,257.45
  6. Step 6: Final answer
    x = 23,386,340.95

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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.