Home / 19,586,150.82-27,000,401.01-13,687,471.64

Finding the Fourth Proportional to 19,586,150.82, 27,000,401.01 and 13,687,471.64

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Solution

The fourth proportional to 19,586,150.82, 27,000,401.01 and 13,687,471.64 is: 18,868,803.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,586,150.82 : 27,000,401.01 = 13,687,471.64 : x
  2. Step 2: Convert to fraction form
    19,586,150.82/27,000,401.01 = 13,687,471.64/x
  3. Step 3: Cross multiply
    19,586,150.82x = 27,000,401.01 × 13,687,471.64
  4. Step 4: Simplify right side
    19,586,150.82x = 369,567,222,958,000.38
  5. Step 5: Solve for x
    x = 369,567,222,958,000.38/19,586,150.82
  6. Step 6: Final answer
    x = 18,868,803.08

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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.