Home / 13,614,421.78-18,787,902.30-7,502,850.28

Finding the Fourth Proportional to 13,614,421.78, 18,787,902.30 and 7,502,850.28

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Solution

The fourth proportional to 13,614,421.78, 18,787,902.30 and 7,502,850.28 is: 10,353,933.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614,421.78 : 18,787,902.30 = 7,502,850.28 : x
  2. Step 2: Convert to fraction form
    13,614,421.78/18,787,902.30 = 7,502,850.28/x
  3. Step 3: Cross multiply
    13,614,421.78x = 18,787,902.30 × 7,502,850.28
  4. Step 4: Simplify right side
    13,614,421.78x = 140,962,818,032,167.66
  5. Step 5: Solve for x
    x = 140,962,818,032,167.66/13,614,421.78
  6. Step 6: Final answer
    x = 10,353,933.52

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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.