Home / 43,538,715.84-65,317,521.58-13,245,791.52

Finding the Fourth Proportional to 43,538,715.84, 65,317,521.58 and 13,245,791.52

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Solution

The fourth proportional to 43,538,715.84, 65,317,521.58 and 13,245,791.52 is: 19,871,561.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,538,715.84 : 65,317,521.58 = 13,245,791.52 : x
  2. Step 2: Convert to fraction form
    43,538,715.84/65,317,521.58 = 13,245,791.52/x
  3. Step 3: Cross multiply
    43,538,715.84x = 65,317,521.58 × 13,245,791.52
  4. Step 4: Simplify right side
    43,538,715.84x = 865,182,273,451,781
  5. Step 5: Solve for x
    x = 865,182,273,451,781/43,538,715.84
  6. Step 6: Final answer
    x = 19,871,561.59

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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.