Home / 19,360,062.10-29,040,093.15-12,591,831.70

Finding the Fourth Proportional to 19,360,062.10, 29,040,093.15 and 12,591,831.70

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Solution

The fourth proportional to 19,360,062.10, 29,040,093.15 and 12,591,831.70 is: 18,887,747.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,360,062.10 : 29,040,093.15 = 12,591,831.70 : x
  2. Step 2: Convert to fraction form
    19,360,062.10/29,040,093.15 = 12,591,831.70/x
  3. Step 3: Cross multiply
    19,360,062.10x = 29,040,093.15 × 12,591,831.70
  4. Step 4: Simplify right side
    19,360,062.10x = 365,667,965,497,122.81
  5. Step 5: Solve for x
    x = 365,667,965,497,122.81/19,360,062.10
  6. Step 6: Final answer
    x = 18,887,747.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.