Home / 27,712,312.44-38,241,448.56-15,321,689.52

Finding the Fourth Proportional to 27,712,312.44, 38,241,448.56 and 15,321,689.52

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Solution

The fourth proportional to 27,712,312.44, 38,241,448.56 and 15,321,689.52 is: 21,143,078.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,712,312.44 : 38,241,448.56 = 15,321,689.52 : x
  2. Step 2: Convert to fraction form
    27,712,312.44/38,241,448.56 = 15,321,689.52/x
  3. Step 3: Cross multiply
    27,712,312.44x = 38,241,448.56 × 15,321,689.52
  4. Step 4: Simplify right side
    27,712,312.44x = 585,923,601,631,371.12
  5. Step 5: Solve for x
    x = 585,923,601,631,371.12/27,712,312.44
  6. Step 6: Final answer
    x = 21,143,078.66

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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.