Home / 12,446,672.10-18,670,008.15-12,366,955.95

Finding the Fourth Proportional to 12,446,672.10, 18,670,008.15 and 12,366,955.95

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Solution

The fourth proportional to 12,446,672.10, 18,670,008.15 and 12,366,955.95 is: 18,550,433.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446,672.10 : 18,670,008.15 = 12,366,955.95 : x
  2. Step 2: Convert to fraction form
    12,446,672.10/18,670,008.15 = 12,366,955.95/x
  3. Step 3: Cross multiply
    12,446,672.10x = 18,670,008.15 × 12,366,955.95
  4. Step 4: Simplify right side
    12,446,672.10x = 230,891,168,377,190.97
  5. Step 5: Solve for x
    x = 230,891,168,377,190.97/12,446,672.10
  6. Step 6: Final answer
    x = 18,550,433.93

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1.5x scale

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.