Home / 26,471,738.60-39,707,607.90-12,122,831.60

Finding the Fourth Proportional to 26,471,738.60, 39,707,607.90 and 12,122,831.60

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Solution

The fourth proportional to 26,471,738.60, 39,707,607.90 and 12,122,831.60 is: 18,184,247.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,471,738.60 : 39,707,607.90 = 12,122,831.60 : x
  2. Step 2: Convert to fraction form
    26,471,738.60/39,707,607.90 = 12,122,831.60/x
  3. Step 3: Cross multiply
    26,471,738.60x = 39,707,607.90 × 12,122,831.60
  4. Step 4: Simplify right side
    26,471,738.60x = 481,368,643,810,529.62
  5. Step 5: Solve for x
    x = 481,368,643,810,529.62/26,471,738.60
  6. Step 6: Final answer
    x = 18,184,247.40

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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.