Home / 15,141,632.70-20,895,346.82-8,266,114.76

Finding the Fourth Proportional to 15,141,632.70, 20,895,346.82 and 8,266,114.76

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Solution

The fourth proportional to 15,141,632.70, 20,895,346.82 and 8,266,114.76 is: 11,407,180.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,141,632.70 : 20,895,346.82 = 8,266,114.76 : x
  2. Step 2: Convert to fraction form
    15,141,632.70/20,895,346.82 = 8,266,114.76/x
  3. Step 3: Cross multiply
    15,141,632.70x = 20,895,346.82 × 8,266,114.76
  4. Step 4: Simplify right side
    15,141,632.70x = 172,723,334,618,313.75
  5. Step 5: Solve for x
    x = 172,723,334,618,313.75/15,141,632.70
  6. Step 6: Final answer
    x = 11,407,180.32

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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.