Home / 19,079,765.43-26,327,685.06-12,898,262.85

Finding the Fourth Proportional to 19,079,765.43, 26,327,685.06 and 12,898,262.85

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Solution

The fourth proportional to 19,079,765.43, 26,327,685.06 and 12,898,262.85 is: 17,797,986.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,079,765.43 : 26,327,685.06 = 12,898,262.85 : x
  2. Step 2: Convert to fraction form
    19,079,765.43/26,327,685.06 = 12,898,262.85/x
  3. Step 3: Cross multiply
    19,079,765.43x = 26,327,685.06 × 12,898,262.85
  4. Step 4: Simplify right side
    19,079,765.43x = 339,581,402,135,898
  5. Step 5: Solve for x
    x = 339,581,402,135,898/19,079,765.43
  6. Step 6: Final answer
    x = 17,797,986.22

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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.