Home / 13,513,755.79-20,274,088.94-3,929,134.28

Finding the Fourth Proportional to 13,513,755.79, 20,274,088.94 and 3,929,134.28

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Solution

The fourth proportional to 13,513,755.79, 20,274,088.94 and 3,929,134.28 is: 5,894,706.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513,755.79 : 20,274,088.94 = 3,929,134.28 : x
  2. Step 2: Convert to fraction form
    13,513,755.79/20,274,088.94 = 3,929,134.28/x
  3. Step 3: Cross multiply
    13,513,755.79x = 20,274,088.94 × 3,929,134.28
  4. Step 4: Simplify right side
    13,513,755.79x = 79,659,617,879,784.14
  5. Step 5: Solve for x
    x = 79,659,617,879,784.14/13,513,755.79
  6. Step 6: Final answer
    x = 5,894,706.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.