Home / 21,871,590.55-30,183,048.26-12,081,831.93

Finding the Fourth Proportional to 21,871,590.55, 30,183,048.26 and 12,081,831.93

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Solution

The fourth proportional to 21,871,590.55, 30,183,048.26 and 12,081,831.93 is: 16,673,067.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,871,590.55 : 30,183,048.26 = 12,081,831.93 : x
  2. Step 2: Convert to fraction form
    21,871,590.55/30,183,048.26 = 12,081,831.93/x
  3. Step 3: Cross multiply
    21,871,590.55x = 30,183,048.26 × 12,081,831.93
  4. Step 4: Simplify right side
    21,871,590.55x = 364,666,516,197,296.62
  5. Step 5: Solve for x
    x = 364,666,516,197,296.62/21,871,590.55
  6. Step 6: Final answer
    x = 16,673,067.99

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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.