Home / 15,718,033.56-21,690,720.61-8,748,600.04

Finding the Fourth Proportional to 15,718,033.56, 21,690,720.61 and 8,748,600.04

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Solution

The fourth proportional to 15,718,033.56, 21,690,720.61 and 8,748,600.04 is: 12,072,975.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,718,033.56 : 21,690,720.61 = 8,748,600.04 : x
  2. Step 2: Convert to fraction form
    15,718,033.56/21,690,720.61 = 8,748,600.04/x
  3. Step 3: Cross multiply
    15,718,033.56x = 21,690,720.61 × 8,748,600.04
  4. Step 4: Simplify right side
    15,718,033.56x = 189,763,439,201,516.75
  5. Step 5: Solve for x
    x = 189,763,439,201,516.75/15,718,033.56
  6. Step 6: Final answer
    x = 12,072,975.82

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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.