Home / 21,032,831.36-29,025,326.64-11,375,039.36

Finding the Fourth Proportional to 21,032,831.36, 29,025,326.64 and 11,375,039.36

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Solution

The fourth proportional to 21,032,831.36, 29,025,326.64 and 11,375,039.36 is: 15,697,564.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,032,831.36 : 29,025,326.64 = 11,375,039.36 : x
  2. Step 2: Convert to fraction form
    21,032,831.36/29,025,326.64 = 11,375,039.36/x
  3. Step 3: Cross multiply
    21,032,831.36x = 29,025,326.64 × 11,375,039.36
  4. Step 4: Simplify right side
    21,032,831.36x = 330,164,232,966,856.56
  5. Step 5: Solve for x
    x = 330,164,232,966,856.56/21,032,831.36
  6. Step 6: Final answer
    x = 15,697,564.79

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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.