Home / 13,614,420.78-18,787,900.92-7,502,849.28

Finding the Fourth Proportional to 13,614,420.78, 18,787,900.92 and 7,502,849.28

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Solution

The fourth proportional to 13,614,420.78, 18,787,900.92 and 7,502,849.28 is: 10,353,932.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614,420.78 : 18,787,900.92 = 7,502,849.28 : x
  2. Step 2: Convert to fraction form
    13,614,420.78/18,787,900.92 = 7,502,849.28/x
  3. Step 3: Cross multiply
    13,614,420.78x = 18,787,900.92 × 7,502,849.28
  4. Step 4: Simplify right side
    13,614,420.78x = 140,962,788,890,333.34
  5. Step 5: Solve for x
    x = 140,962,788,890,333.34/13,614,420.78
  6. Step 6: Final answer
    x = 10,353,932.14

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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.