Home / 7,681,440.78-11,522,012.85-2,293,741.74

Finding the Fourth Proportional to 7,681,440.78, 11,522,012.85 and 2,293,741.74

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Solution

The fourth proportional to 7,681,440.78, 11,522,012.85 and 2,293,741.74 is: 3,440,568.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,681,440.78 : 11,522,012.85 = 2,293,741.74 : x
  2. Step 2: Convert to fraction form
    7,681,440.78/11,522,012.85 = 2,293,741.74/x
  3. Step 3: Cross multiply
    7,681,440.78x = 11,522,012.85 × 2,293,741.74
  4. Step 4: Simplify right side
    7,681,440.78x = 26,428,521,802,861.36
  5. Step 5: Solve for x
    x = 26,428,521,802,861.36/7,681,440.78
  6. Step 6: Final answer
    x = 3,440,568.32

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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.