Home / 9,278,712.81-13,920,071.13-2,801,250.54

Finding the Fourth Proportional to 9,278,712.81, 13,920,071.13 and 2,801,250.54

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Solution

The fourth proportional to 9,278,712.81, 13,920,071.13 and 2,801,250.54 is: 4,202,480.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278,712.81 : 13,920,071.13 = 2,801,250.54 : x
  2. Step 2: Convert to fraction form
    9,278,712.81/13,920,071.13 = 2,801,250.54/x
  3. Step 3: Cross multiply
    9,278,712.81x = 13,920,071.13 × 2,801,250.54
  4. Step 4: Simplify right side
    9,278,712.81x = 38,993,606,769,750.91
  5. Step 5: Solve for x
    x = 38,993,606,769,750.91/9,278,712.81
  6. Step 6: Final answer
    x = 4,202,480.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.