Home / 13,527,505.50-18,668,198.16-7,332,755.10

Finding the Fourth Proportional to 13,527,505.50, 18,668,198.16 and 7,332,755.10

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Solution

The fourth proportional to 13,527,505.50, 18,668,198.16 and 7,332,755.10 is: 10,119,332.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527,505.50 : 18,668,198.16 = 7,332,755.10 : x
  2. Step 2: Convert to fraction form
    13,527,505.50/18,668,198.16 = 7,332,755.10/x
  3. Step 3: Cross multiply
    13,527,505.50x = 18,668,198.16 × 7,332,755.10
  4. Step 4: Simplify right side
    13,527,505.50x = 136,889,325,265,550.61
  5. Step 5: Solve for x
    x = 136,889,325,265,550.61/13,527,505.50
  6. Step 6: Final answer
    x = 10,119,332.44

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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.