Home / 21,397,164.65-29,528,087.21-12,230,004.23

Finding the Fourth Proportional to 21,397,164.65, 29,528,087.21 and 12,230,004.23

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Solution

The fourth proportional to 21,397,164.65, 29,528,087.21 and 12,230,004.23 is: 16,877,405.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,397,164.65 : 29,528,087.21 = 12,230,004.23 : x
  2. Step 2: Convert to fraction form
    21,397,164.65/29,528,087.21 = 12,230,004.23/x
  3. Step 3: Cross multiply
    21,397,164.65x = 29,528,087.21 × 12,230,004.23
  4. Step 4: Simplify right side
    21,397,164.65x = 361,128,631,273,318.44
  5. Step 5: Solve for x
    x = 361,128,631,273,318.44/21,397,164.65
  6. Step 6: Final answer
    x = 16,877,405.83

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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.