Home / 21,141,237.11-29,177,327.48-11,851,316.28

Finding the Fourth Proportional to 21,141,237.11, 29,177,327.48 and 11,851,316.28

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Solution

The fourth proportional to 21,141,237.11, 29,177,327.48 and 11,851,316.28 is: 16,356,173.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,141,237.11 : 29,177,327.48 = 11,851,316.28 : x
  2. Step 2: Convert to fraction form
    21,141,237.11/29,177,327.48 = 11,851,316.28/x
  3. Step 3: Cross multiply
    21,141,237.11x = 29,177,327.48 × 11,851,316.28
  4. Step 4: Simplify right side
    21,141,237.11x = 345,789,736,111,358.81
  5. Step 5: Solve for x
    x = 345,789,736,111,358.81/21,141,237.11
  6. Step 6: Final answer
    x = 16,356,173.22

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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.