Home / 17,613,288.80-26,419,933.20-12,810,831.20

Finding the Fourth Proportional to 17,613,288.80, 26,419,933.20 and 12,810,831.20

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Solution

The fourth proportional to 17,613,288.80, 26,419,933.20 and 12,810,831.20 is: 19,216,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,613,288.80 : 26,419,933.20 = 12,810,831.20 : x
  2. Step 2: Convert to fraction form
    17,613,288.80/26,419,933.20 = 12,810,831.20/x
  3. Step 3: Cross multiply
    17,613,288.80x = 26,419,933.20 × 12,810,831.20
  4. Step 4: Simplify right side
    17,613,288.80x = 338,461,304,540,475.81
  5. Step 5: Solve for x
    x = 338,461,304,540,475.81/17,613,288.80
  6. Step 6: Final answer
    x = 19,216,246.80

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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.