Home / 20,002,656.48-27,598,064.88-12,561,120.48

Finding the Fourth Proportional to 20,002,656.48, 27,598,064.88 and 12,561,120.48

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Solution

The fourth proportional to 20,002,656.48, 27,598,064.88 and 12,561,120.48 is: 17,330,828.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,002,656.48 : 27,598,064.88 = 12,561,120.48 : x
  2. Step 2: Convert to fraction form
    20,002,656.48/27,598,064.88 = 12,561,120.48/x
  3. Step 3: Cross multiply
    20,002,656.48x = 27,598,064.88 × 12,561,120.48
  4. Step 4: Simplify right side
    20,002,656.48x = 346,662,617,972,536.75
  5. Step 5: Solve for x
    x = 346,662,617,972,536.75/20,002,656.48
  6. Step 6: Final answer
    x = 17,330,828.95

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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.