Home / 21,399,990.80-32,099,986.20-14,093,661.20

Finding the Fourth Proportional to 21,399,990.80, 32,099,986.20 and 14,093,661.20

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Solution

The fourth proportional to 21,399,990.80, 32,099,986.20 and 14,093,661.20 is: 21,140,491.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,399,990.80 : 32,099,986.20 = 14,093,661.20 : x
  2. Step 2: Convert to fraction form
    21,399,990.80/32,099,986.20 = 14,093,661.20/x
  3. Step 3: Cross multiply
    21,399,990.80x = 32,099,986.20 × 14,093,661.20
  4. Step 4: Simplify right side
    21,399,990.80x = 452,406,330,027,475.38
  5. Step 5: Solve for x
    x = 452,406,330,027,475.38/21,399,990.80
  6. Step 6: Final answer
    x = 21,140,491.80

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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.