Home / 8,239,166.69-12,359,423.96-4,138,379.21

Finding the Fourth Proportional to 8,239,166.69, 12,359,423.96 and 4,138,379.21

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Solution

The fourth proportional to 8,239,166.69, 12,359,423.96 and 4,138,379.21 is: 6,207,907.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239,166.69 : 12,359,423.96 = 4,138,379.21 : x
  2. Step 2: Convert to fraction form
    8,239,166.69/12,359,423.96 = 4,138,379.21/x
  3. Step 3: Cross multiply
    8,239,166.69x = 12,359,423.96 × 4,138,379.21
  4. Step 4: Simplify right side
    8,239,166.69x = 51,147,983,116,895.25
  5. Step 5: Solve for x
    x = 51,147,983,116,895.25/8,239,166.69
  6. Step 6: Final answer
    x = 6,207,907.31

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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.