Home / 19,045,338.72-26,286,752.25-12,519,571.02

Finding the Fourth Proportional to 19,045,338.72, 26,286,752.25 and 12,519,571.02

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Solution

The fourth proportional to 19,045,338.72, 26,286,752.25 and 12,519,571.02 is: 17,279,758.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,045,338.72 : 26,286,752.25 = 12,519,571.02 : x
  2. Step 2: Convert to fraction form
    19,045,338.72/26,286,752.25 = 12,519,571.02/x
  3. Step 3: Cross multiply
    19,045,338.72x = 26,286,752.25 × 12,519,571.02
  4. Step 4: Simplify right side
    19,045,338.72x = 329,098,861,679,019.81
  5. Step 5: Solve for x
    x = 329,098,861,679,019.81/19,045,338.72
  6. Step 6: Final answer
    x = 17,279,758.92

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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.