Home / 19,642,023.09-27,105,999.75-11,386,871.44

Finding the Fourth Proportional to 19,642,023.09, 27,105,999.75 and 11,386,871.44

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Solution

The fourth proportional to 19,642,023.09, 27,105,999.75 and 11,386,871.44 is: 15,713,887.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,642,023.09 : 27,105,999.75 = 11,386,871.44 : x
  2. Step 2: Convert to fraction form
    19,642,023.09/27,105,999.75 = 11,386,871.44/x
  3. Step 3: Cross multiply
    19,642,023.09x = 27,105,999.75 × 11,386,871.44
  4. Step 4: Simplify right side
    19,642,023.09x = 308,652,534,338,157.12
  5. Step 5: Solve for x
    x = 308,652,534,338,157.12/19,642,023.09
  6. Step 6: Final answer
    x = 15,713,887.16

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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.