Home / 21,936,861.02-30,272,849.13-12,147,304.70

Finding the Fourth Proportional to 21,936,861.02, 30,272,849.13 and 12,147,304.70

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Solution

The fourth proportional to 21,936,861.02, 30,272,849.13 and 12,147,304.70 is: 16,763,269.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,936,861.02 : 30,272,849.13 = 12,147,304.70 : x
  2. Step 2: Convert to fraction form
    21,936,861.02/30,272,849.13 = 12,147,304.70/x
  3. Step 3: Cross multiply
    21,936,861.02x = 30,272,849.13 × 12,147,304.70
  4. Step 4: Simplify right side
    21,936,861.02x = 367,733,522,519,239.88
  5. Step 5: Solve for x
    x = 367,733,522,519,239.88/21,936,861.02
  6. Step 6: Final answer
    x = 16,763,269.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.