Home / 19,788,236.64-27,310,649.36-11,086,997.28

Finding the Fourth Proportional to 19,788,236.64, 27,310,649.36 and 11,086,997.28

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Solution

The fourth proportional to 19,788,236.64, 27,310,649.36 and 11,086,997.28 is: 15,301,671.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,788,236.64 : 27,310,649.36 = 11,086,997.28 : x
  2. Step 2: Convert to fraction form
    19,788,236.64/27,310,649.36 = 11,086,997.28/x
  3. Step 3: Cross multiply
    19,788,236.64x = 27,310,649.36 × 11,086,997.28
  4. Step 4: Simplify right side
    19,788,236.64x = 302,793,095,169,353.69
  5. Step 5: Solve for x
    x = 302,793,095,169,353.69/19,788,236.64
  6. Step 6: Final answer
    x = 15,301,671.43

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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.