Home / 13,351,908.38-18,425,633.56-7,240,341.74

Finding the Fourth Proportional to 13,351,908.38, 18,425,633.56 and 7,240,341.74

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Solution

The fourth proportional to 13,351,908.38, 18,425,633.56 and 7,240,341.74 is: 9,991,671.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,351,908.38 : 18,425,633.56 = 7,240,341.74 : x
  2. Step 2: Convert to fraction form
    13,351,908.38/18,425,633.56 = 7,240,341.74/x
  3. Step 3: Cross multiply
    13,351,908.38x = 18,425,633.56 × 7,240,341.74
  4. Step 4: Simplify right side
    13,351,908.38x = 133,407,883,640,183.78
  5. Step 5: Solve for x
    x = 133,407,883,640,183.78/13,351,908.38
  6. Step 6: Final answer
    x = 9,991,671.59

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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.