Home / 15,058,818.84-20,782,941.47-8,947,247.34

Finding the Fourth Proportional to 15,058,818.84, 20,782,941.47 and 8,947,247.34

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Solution

The fourth proportional to 15,058,818.84, 20,782,941.47 and 8,947,247.34 is: 12,348,253.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,058,818.84 : 20,782,941.47 = 8,947,247.34 : x
  2. Step 2: Convert to fraction form
    15,058,818.84/20,782,941.47 = 8,947,247.34/x
  3. Step 3: Cross multiply
    15,058,818.84x = 20,782,941.47 × 8,947,247.34
  4. Step 4: Simplify right side
    15,058,818.84x = 185,950,117,901,913.41
  5. Step 5: Solve for x
    x = 185,950,117,901,913.41/15,058,818.84
  6. Step 6: Final answer
    x = 12,348,253.86

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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.