Home / 13,534,364.56-18,678,604.34-7,423,974.04

Finding the Fourth Proportional to 13,534,364.56, 18,678,604.34 and 7,423,974.04

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Solution

The fourth proportional to 13,534,364.56, 18,678,604.34 and 7,423,974.04 is: 10,245,732.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,534,364.56 : 18,678,604.34 = 7,423,974.04 : x
  2. Step 2: Convert to fraction form
    13,534,364.56/18,678,604.34 = 7,423,974.04/x
  3. Step 3: Cross multiply
    13,534,364.56x = 18,678,604.34 × 7,423,974.04
  4. Step 4: Simplify right side
    13,534,364.56x = 138,669,473,723,591.33
  5. Step 5: Solve for x
    x = 138,669,473,723,591.33/13,534,364.56
  6. Step 6: Final answer
    x = 10,245,732.12

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1.5x scale

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.