Home / 15,348,367.24-21,180,191.70-8,472,701.72

Finding the Fourth Proportional to 15,348,367.24, 21,180,191.70 and 8,472,701.72

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Solution

The fourth proportional to 15,348,367.24, 21,180,191.70 and 8,472,701.72 is: 11,692,021.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,348,367.24 : 21,180,191.70 = 8,472,701.72 : x
  2. Step 2: Convert to fraction form
    15,348,367.24/21,180,191.70 = 8,472,701.72/x
  3. Step 3: Cross multiply
    15,348,367.24x = 21,180,191.70 × 8,472,701.72
  4. Step 4: Simplify right side
    15,348,367.24x = 179,453,446,646,519.72
  5. Step 5: Solve for x
    x = 179,453,446,646,519.72/15,348,367.24
  6. Step 6: Final answer
    x = 11,692,021.95

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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.