Home / 17,172,186.30-25,758,279.45-12,133,338.30

Finding the Fourth Proportional to 17,172,186.30, 25,758,279.45 and 12,133,338.30

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Solution

The fourth proportional to 17,172,186.30, 25,758,279.45 and 12,133,338.30 is: 18,200,007.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,172,186.30 : 25,758,279.45 = 12,133,338.30 : x
  2. Step 2: Convert to fraction form
    17,172,186.30/25,758,279.45 = 12,133,338.30/x
  3. Step 3: Cross multiply
    17,172,186.30x = 25,758,279.45 × 12,133,338.30
  4. Step 4: Simplify right side
    17,172,186.30x = 312,533,918,592,787.94
  5. Step 5: Solve for x
    x = 312,533,918,592,787.94/17,172,186.30
  6. Step 6: Final answer
    x = 18,200,007.45

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Double scale
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Similar ratio
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1.5x scale

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.