Home / 20,612,608.46-28,456,443.21-15,892,695.29

Finding the Fourth Proportional to 20,612,608.46, 28,456,443.21 and 15,892,695.29

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Solution

The fourth proportional to 20,612,608.46, 28,456,443.21 and 15,892,695.29 is: 21,940,434.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,612,608.46 : 28,456,443.21 = 15,892,695.29 : x
  2. Step 2: Convert to fraction form
    20,612,608.46/28,456,443.21 = 15,892,695.29/x
  3. Step 3: Cross multiply
    20,612,608.46x = 28,456,443.21 × 15,892,695.29
  4. Step 4: Simplify right side
    20,612,608.46x = 452,249,580,831,437.31
  5. Step 5: Solve for x
    x = 452,249,580,831,437.31/20,612,608.46
  6. Step 6: Final answer
    x = 21,940,434.26

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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.