Home / 21,552,301.80-32,328,452.70-20,124,628.20

Finding the Fourth Proportional to 21,552,301.80, 32,328,452.70 and 20,124,628.20

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Solution

The fourth proportional to 21,552,301.80, 32,328,452.70 and 20,124,628.20 is: 30,186,942.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,552,301.80 : 32,328,452.70 = 20,124,628.20 : x
  2. Step 2: Convert to fraction form
    21,552,301.80/32,328,452.70 = 20,124,628.20/x
  3. Step 3: Cross multiply
    21,552,301.80x = 32,328,452.70 × 20,124,628.20
  4. Step 4: Simplify right side
    21,552,301.80x = 650,598,090,868,786.12
  5. Step 5: Solve for x
    x = 650,598,090,868,786.12/21,552,301.80
  6. Step 6: Final answer
    x = 30,186,942.30

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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.