Home / 18,278,623.50-25,227,207.73-11,573,579.37

Finding the Fourth Proportional to 18,278,623.50, 25,227,207.73 and 11,573,579.37

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Solution

The fourth proportional to 18,278,623.50, 25,227,207.73 and 11,573,579.37 is: 15,973,253.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,278,623.50 : 25,227,207.73 = 11,573,579.37 : x
  2. Step 2: Convert to fraction form
    18,278,623.50/25,227,207.73 = 11,573,579.37/x
  3. Step 3: Cross multiply
    18,278,623.50x = 25,227,207.73 × 11,573,579.37
  4. Step 4: Simplify right side
    18,278,623.50x = 291,969,090,842,834.38
  5. Step 5: Solve for x
    x = 291,969,090,842,834.38/18,278,623.50
  6. Step 6: Final answer
    x = 15,973,253.72

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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.