Home / 21,525,143.40-32,287,715.10-20,592,169.20

Finding the Fourth Proportional to 21,525,143.40, 32,287,715.10 and 20,592,169.20

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Solution

The fourth proportional to 21,525,143.40, 32,287,715.10 and 20,592,169.20 is: 30,888,253.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,525,143.40 : 32,287,715.10 = 20,592,169.20 : x
  2. Step 2: Convert to fraction form
    21,525,143.40/32,287,715.10 = 20,592,169.20/x
  3. Step 3: Cross multiply
    21,525,143.40x = 32,287,715.10 × 20,592,169.20
  4. Step 4: Simplify right side
    21,525,143.40x = 664,874,092,420,594.88
  5. Step 5: Solve for x
    x = 664,874,092,420,594.88/21,525,143.40
  6. Step 6: Final answer
    x = 30,888,253.80

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1.5x scale

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.