Home / 14,716,207.90-20,309,321.33-8,189,817.58

Finding the Fourth Proportional to 14,716,207.90, 20,309,321.33 and 8,189,817.58

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Solution

The fourth proportional to 14,716,207.90, 20,309,321.33 and 8,189,817.58 is: 11,302,479.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,716,207.90 : 20,309,321.33 = 8,189,817.58 : x
  2. Step 2: Convert to fraction form
    14,716,207.90/20,309,321.33 = 8,189,817.58/x
  3. Step 3: Cross multiply
    14,716,207.90x = 20,309,321.33 × 8,189,817.58
  4. Step 4: Simplify right side
    14,716,207.90x = 166,329,636,866,302.97
  5. Step 5: Solve for x
    x = 166,329,636,866,302.97/14,716,207.90
  6. Step 6: Final answer
    x = 11,302,479.42

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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.