Home / 20,759,250.10-28,647,190.54-11,466,653.62

Finding the Fourth Proportional to 20,759,250.10, 28,647,190.54 and 11,466,653.62

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Solution

The fourth proportional to 20,759,250.10, 28,647,190.54 and 11,466,653.62 is: 15,823,664.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,759,250.10 : 28,647,190.54 = 11,466,653.62 : x
  2. Step 2: Convert to fraction form
    20,759,250.10/28,647,190.54 = 11,466,653.62/x
  3. Step 3: Cross multiply
    20,759,250.10x = 28,647,190.54 × 11,466,653.62
  4. Step 4: Simplify right side
    20,759,250.10x = 328,487,411,108,320.75
  5. Step 5: Solve for x
    x = 328,487,411,108,320.75/20,759,250.10
  6. Step 6: Final answer
    x = 15,823,664.61

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1.5x scale

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.