Home / 13,404,831.40-20,107,247.10-8,302,997.80

Finding the Fourth Proportional to 13,404,831.40, 20,107,247.10 and 8,302,997.80

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Solution

The fourth proportional to 13,404,831.40, 20,107,247.10 and 8,302,997.80 is: 12,454,496.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,404,831.40 : 20,107,247.10 = 8,302,997.80 : x
  2. Step 2: Convert to fraction form
    13,404,831.40/20,107,247.10 = 8,302,997.80/x
  3. Step 3: Cross multiply
    13,404,831.40x = 20,107,247.10 × 8,302,997.80
  4. Step 4: Simplify right side
    13,404,831.40x = 166,950,428,435,356.38
  5. Step 5: Solve for x
    x = 166,950,428,435,356.38/13,404,831.40
  6. Step 6: Final answer
    x = 12,454,496.70

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1.5x scale

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.