Home / 13,465,279.63-20,227,813.31-8,351,488.81

Finding the Fourth Proportional to 13,465,279.63, 20,227,813.31 and 8,351,488.81

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Solution

The fourth proportional to 13,465,279.63, 20,227,813.31 and 8,351,488.81 is: 12,545,774.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,465,279.63 : 20,227,813.31 = 8,351,488.81 : x
  2. Step 2: Convert to fraction form
    13,465,279.63/20,227,813.31 = 8,351,488.81/x
  3. Step 3: Cross multiply
    13,465,279.63x = 20,227,813.31 × 8,351,488.81
  4. Step 4: Simplify right side
    13,465,279.63x = 168,932,356,509,234.03
  5. Step 5: Solve for x
    x = 168,932,356,509,234.03/13,465,279.63
  6. Step 6: Final answer
    x = 12,545,774.11

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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.