Home / 13,845,476.39-19,107,847.05-7,885,134.74

Finding the Fourth Proportional to 13,845,476.39, 19,107,847.05 and 7,885,134.74

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Solution

The fourth proportional to 13,845,476.39, 19,107,847.05 and 7,885,134.74 is: 10,882,106.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,845,476.39 : 19,107,847.05 = 7,885,134.74 : x
  2. Step 2: Convert to fraction form
    13,845,476.39/19,107,847.05 = 7,885,134.74/x
  3. Step 3: Cross multiply
    13,845,476.39x = 19,107,847.05 × 7,885,134.74
  4. Step 4: Simplify right side
    13,845,476.39x = 150,667,948,541,135.88
  5. Step 5: Solve for x
    x = 150,667,948,541,135.88/13,845,476.39
  6. Step 6: Final answer
    x = 10,882,106.49

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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.