Home / 20,049,368.14-27,668,148.51-10,882,012.78

Finding the Fourth Proportional to 20,049,368.14, 27,668,148.51 and 10,882,012.78

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Solution

The fourth proportional to 20,049,368.14, 27,668,148.51 and 10,882,012.78 is: 15,017,188.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,049,368.14 : 27,668,148.51 = 10,882,012.78 : x
  2. Step 2: Convert to fraction form
    20,049,368.14/27,668,148.51 = 10,882,012.78/x
  3. Step 3: Cross multiply
    20,049,368.14x = 27,668,148.51 × 10,882,012.78
  4. Step 4: Simplify right side
    20,049,368.14x = 301,085,145,684,757.94
  5. Step 5: Solve for x
    x = 301,085,145,684,757.94/20,049,368.14
  6. Step 6: Final answer
    x = 15,017,188.75

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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.