Home / 31,478,616-47,160,378.56-22,821,275.39

Finding the Fourth Proportional to 31,478,616, 47,160,378.56 and 22,821,275.39

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Solution

The fourth proportional to 31,478,616, 47,160,378.56 and 22,821,275.39 is: 34,190,193.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,478,616 : 47,160,378.56 = 22,821,275.39 : x
  2. Step 2: Convert to fraction form
    31,478,616/47,160,378.56 = 22,821,275.39/x
  3. Step 3: Cross multiply
    31,478,616x = 47,160,378.56 × 22,821,275.39
  4. Step 4: Simplify right side
    31,478,616x = 1,076,259,986,435,663
  5. Step 5: Solve for x
    x = 1,076,259,986,435,663/31,478,616
  6. Step 6: Final answer
    x = 34,190,193.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.