Home / 27,889,257.28-38,491,364.64-17,030,505.28

Finding the Fourth Proportional to 27,889,257.28, 38,491,364.64 and 17,030,505.28

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Solution

The fourth proportional to 27,889,257.28, 38,491,364.64 and 17,030,505.28 is: 23,504,655.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,889,257.28 : 38,491,364.64 = 17,030,505.28 : x
  2. Step 2: Convert to fraction form
    27,889,257.28/38,491,364.64 = 17,030,505.28/x
  3. Step 3: Cross multiply
    27,889,257.28x = 38,491,364.64 × 17,030,505.28
  4. Step 4: Simplify right side
    27,889,257.28x = 655,527,388,735,925.38
  5. Step 5: Solve for x
    x = 655,527,388,735,925.38/27,889,257.28
  6. Step 6: Final answer
    x = 23,504,655.65

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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.