Home / 21,698,998.20-32,585,822.10-15,353,782.20

Finding the Fourth Proportional to 21,698,998.20, 32,585,822.10 and 15,353,782.20

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Solution

The fourth proportional to 21,698,998.20, 32,585,822.10 and 15,353,782.20 is: 23,057,083.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,698,998.20 : 32,585,822.10 = 15,353,782.20 : x
  2. Step 2: Convert to fraction form
    21,698,998.20/32,585,822.10 = 15,353,782.20/x
  3. Step 3: Cross multiply
    21,698,998.20x = 32,585,822.10 × 15,353,782.20
  4. Step 4: Simplify right side
    21,698,998.20x = 500,315,615,331,346.62
  5. Step 5: Solve for x
    x = 500,315,615,331,346.62/21,698,998.20
  6. Step 6: Final answer
    x = 23,057,083.59

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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.