Home / 20,706,345.93-31,059,599.09-6,329,357.85

Finding the Fourth Proportional to 20,706,345.93, 31,059,599.09 and 6,329,357.85

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Solution

The fourth proportional to 20,706,345.93, 31,059,599.09 and 6,329,357.85 is: 9,494,061.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,706,345.93 : 31,059,599.09 = 6,329,357.85 : x
  2. Step 2: Convert to fraction form
    20,706,345.93/31,059,599.09 = 6,329,357.85/x
  3. Step 3: Cross multiply
    20,706,345.93x = 31,059,599.09 × 6,329,357.85
  4. Step 4: Simplify right side
    20,706,345.93x = 196,587,317,286,497.56
  5. Step 5: Solve for x
    x = 196,587,317,286,497.56/20,706,345.93
  6. Step 6: Final answer
    x = 9,494,061.29

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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.