Home / 21,556,822.10-32,335,233.15-18,722,470.10

Finding the Fourth Proportional to 21,556,822.10, 32,335,233.15 and 18,722,470.10

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Solution

The fourth proportional to 21,556,822.10, 32,335,233.15 and 18,722,470.10 is: 28,083,705.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,556,822.10 : 32,335,233.15 = 18,722,470.10 : x
  2. Step 2: Convert to fraction form
    21,556,822.10/32,335,233.15 = 18,722,470.10/x
  3. Step 3: Cross multiply
    21,556,822.10x = 32,335,233.15 × 18,722,470.10
  4. Step 4: Simplify right side
    21,556,822.10x = 605,395,435,827,403.88
  5. Step 5: Solve for x
    x = 605,395,435,827,403.88/21,556,822.10
  6. Step 6: Final answer
    x = 28,083,705.15

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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.