Home / 15,790,629.70-21,792,956.61-9,596,685.25

Finding the Fourth Proportional to 15,790,629.70, 21,792,956.61 and 9,596,685.25

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Solution

The fourth proportional to 15,790,629.70, 21,792,956.61 and 9,596,685.25 is: 13,244,572.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,790,629.70 : 21,792,956.61 = 9,596,685.25 : x
  2. Step 2: Convert to fraction form
    15,790,629.70/21,792,956.61 = 9,596,685.25/x
  3. Step 3: Cross multiply
    15,790,629.70x = 21,792,956.61 × 9,596,685.25
  4. Step 4: Simplify right side
    15,790,629.70x = 209,140,145,253,077
  5. Step 5: Solve for x
    x = 209,140,145,253,077/15,790,629.70
  6. Step 6: Final answer
    x = 13,244,572.84

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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.