Home / 19,906,859.43-27,468,196.56-11,531,250.81

Finding the Fourth Proportional to 19,906,859.43, 27,468,196.56 and 11,531,250.81

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Solution

The fourth proportional to 19,906,859.43, 27,468,196.56 and 11,531,250.81 is: 15,911,232.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,906,859.43 : 27,468,196.56 = 11,531,250.81 : x
  2. Step 2: Convert to fraction form
    19,906,859.43/27,468,196.56 = 11,531,250.81/x
  3. Step 3: Cross multiply
    19,906,859.43x = 27,468,196.56 × 11,531,250.81
  4. Step 4: Simplify right side
    19,906,859.43x = 316,742,663,831,739.19
  5. Step 5: Solve for x
    x = 316,742,663,831,739.19/19,906,859.43
  6. Step 6: Final answer
    x = 15,911,232.25

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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.