Home / 15,658,078.90-23,481,486.81-5,420,163.28

Finding the Fourth Proportional to 15,658,078.90, 23,481,486.81 and 5,420,163.28

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Solution

The fourth proportional to 15,658,078.90, 23,481,486.81 and 5,420,163.28 is: 8,128,295.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,658,078.90 : 23,481,486.81 = 5,420,163.28 : x
  2. Step 2: Convert to fraction form
    15,658,078.90/23,481,486.81 = 5,420,163.28/x
  3. Step 3: Cross multiply
    15,658,078.90x = 23,481,486.81 × 5,420,163.28
  4. Step 4: Simplify right side
    15,658,078.90x = 127,273,492,567,366.33
  5. Step 5: Solve for x
    x = 127,273,492,567,366.33/15,658,078.90
  6. Step 6: Final answer
    x = 8,128,295.52

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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.