Home / 15,058,822.22-20,782,946.15-8,947,250.72

Finding the Fourth Proportional to 15,058,822.22, 20,782,946.15 and 8,947,250.72

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Solution

The fourth proportional to 15,058,822.22, 20,782,946.15 and 8,947,250.72 is: 12,348,258.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,058,822.22 : 20,782,946.15 = 8,947,250.72 : x
  2. Step 2: Convert to fraction form
    15,058,822.22/20,782,946.15 = 8,947,250.72/x
  3. Step 3: Cross multiply
    15,058,822.22x = 20,782,946.15 × 8,947,250.72
  4. Step 4: Simplify right side
    15,058,822.22x = 185,950,229,867,145.97
  5. Step 5: Solve for x
    x = 185,950,229,867,145.97/15,058,822.22
  6. Step 6: Final answer
    x = 12,348,258.53

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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.