Home / 21,409,491.61-29,544,347.03-11,619,738.77

Finding the Fourth Proportional to 21,409,491.61, 29,544,347.03 and 11,619,738.77

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Solution

The fourth proportional to 21,409,491.61, 29,544,347.03 and 11,619,738.77 is: 16,034,831.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,409,491.61 : 29,544,347.03 = 11,619,738.77 : x
  2. Step 2: Convert to fraction form
    21,409,491.61/29,544,347.03 = 11,619,738.77/x
  3. Step 3: Cross multiply
    21,409,491.61x = 29,544,347.03 × 11,619,738.77
  4. Step 4: Simplify right side
    21,409,491.61x = 343,297,594,413,004.94
  5. Step 5: Solve for x
    x = 343,297,594,413,004.94/21,409,491.61
  6. Step 6: Final answer
    x = 16,034,831.68

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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.