Home / 20,173,860-27,820,506.24-13,573,319.04

Finding the Fourth Proportional to 20,173,860, 27,820,506.24 and 13,573,319.04

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Solution

The fourth proportional to 20,173,860, 27,820,506.24 and 13,573,319.04 is: 18,718,113.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,173,860 : 27,820,506.24 = 13,573,319.04 : x
  2. Step 2: Convert to fraction form
    20,173,860/27,820,506.24 = 13,573,319.04/x
  3. Step 3: Cross multiply
    20,173,860x = 27,820,506.24 × 13,573,319.04
  4. Step 4: Simplify right side
    20,173,860x = 377,616,607,049,830.75
  5. Step 5: Solve for x
    x = 377,616,607,049,830.75/20,173,860
  6. Step 6: Final answer
    x = 18,718,113.79

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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.