Home / 21,775,306.30-30,049,684.23-11,985,541.18

Finding the Fourth Proportional to 21,775,306.30, 30,049,684.23 and 11,985,541.18

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Solution

The fourth proportional to 21,775,306.30, 30,049,684.23 and 11,985,541.18 is: 16,539,915.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,775,306.30 : 30,049,684.23 = 11,985,541.18 : x
  2. Step 2: Convert to fraction form
    21,775,306.30/30,049,684.23 = 11,985,541.18/x
  3. Step 3: Cross multiply
    21,775,306.30x = 30,049,684.23 × 11,985,541.18
  4. Step 4: Simplify right side
    21,775,306.30x = 360,161,727,784,661.56
  5. Step 5: Solve for x
    x = 360,161,727,784,661.56/21,775,306.30
  6. Step 6: Final answer
    x = 16,539,915.57

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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.