Home / 13,590,733.23-18,755,214.42-7,479,161.73

Finding the Fourth Proportional to 13,590,733.23, 18,755,214.42 and 7,479,161.73

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Solution

The fourth proportional to 13,590,733.23, 18,755,214.42 and 7,479,161.73 is: 10,321,244.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,733.23 : 18,755,214.42 = 7,479,161.73 : x
  2. Step 2: Convert to fraction form
    13,590,733.23/18,755,214.42 = 7,479,161.73/x
  3. Step 3: Cross multiply
    13,590,733.23x = 18,755,214.42 × 7,479,161.73
  4. Step 4: Simplify right side
    13,590,733.23x = 140,273,281,928,008.17
  5. Step 5: Solve for x
    x = 140,273,281,928,008.17/13,590,733.23
  6. Step 6: Final answer
    x = 10,321,244.60

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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.