Home / 18,417,357.40-25,417,847.64-11,716,337.56

Finding the Fourth Proportional to 18,417,357.40, 25,417,847.64 and 11,716,337.56

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Solution

The fourth proportional to 18,417,357.40, 25,417,847.64 and 11,716,337.56 is: 16,169,750.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,417,357.40 : 25,417,847.64 = 11,716,337.56 : x
  2. Step 2: Convert to fraction form
    18,417,357.40/25,417,847.64 = 11,716,337.56/x
  3. Step 3: Cross multiply
    18,417,357.40x = 25,417,847.64 × 11,716,337.56
  4. Step 4: Simplify right side
    18,417,357.40x = 297,804,082,998,889.38
  5. Step 5: Solve for x
    x = 297,804,082,998,889.38/18,417,357.40
  6. Step 6: Final answer
    x = 16,169,750.99

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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.