Home / 13,338,738.72-18,407,471.60-7,227,167.24

Finding the Fourth Proportional to 13,338,738.72, 18,407,471.60 and 7,227,167.24

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Solution

The fourth proportional to 13,338,738.72, 18,407,471.60 and 7,227,167.24 is: 9,973,497.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,338,738.72 : 18,407,471.60 = 7,227,167.24 : x
  2. Step 2: Convert to fraction form
    13,338,738.72/18,407,471.60 = 7,227,167.24/x
  3. Step 3: Cross multiply
    13,338,738.72x = 18,407,471.60 × 7,227,167.24
  4. Step 4: Simplify right side
    13,338,738.72x = 133,033,875,718,750.41
  5. Step 5: Solve for x
    x = 133,033,875,718,750.41/13,338,738.72
  6. Step 6: Final answer
    x = 9,973,497.38

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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.