Home / 13,172,711.45-19,770,417.38-9,132,036.84

Finding the Fourth Proportional to 13,172,711.45, 19,770,417.38 and 9,132,036.84

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Solution

The fourth proportional to 13,172,711.45, 19,770,417.38 and 9,132,036.84 is: 13,705,923.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,172,711.45 : 19,770,417.38 = 9,132,036.84 : x
  2. Step 2: Convert to fraction form
    13,172,711.45/19,770,417.38 = 9,132,036.84/x
  3. Step 3: Cross multiply
    13,172,711.45x = 19,770,417.38 × 9,132,036.84
  4. Step 4: Simplify right side
    13,172,711.45x = 180,544,179,879,166.38
  5. Step 5: Solve for x
    x = 180,544,179,879,166.38/13,172,711.45
  6. Step 6: Final answer
    x = 13,705,923.84

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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.