Home / 27,658,292.64-38,167,443.49-15,268,120.14

Finding the Fourth Proportional to 27,658,292.64, 38,167,443.49 and 15,268,120.14

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Solution

The fourth proportional to 27,658,292.64, 38,167,443.49 and 15,268,120.14 is: 21,069,453.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,658,292.64 : 38,167,443.49 = 15,268,120.14 : x
  2. Step 2: Convert to fraction form
    27,658,292.64/38,167,443.49 = 15,268,120.14/x
  3. Step 3: Cross multiply
    27,658,292.64x = 38,167,443.49 × 15,268,120.14
  4. Step 4: Simplify right side
    27,658,292.64x = 582,745,112,641,981
  5. Step 5: Solve for x
    x = 582,745,112,641,981/27,658,292.64
  6. Step 6: Final answer
    x = 21,069,453.57

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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.