Home / 21,526,131.37-29,706,293.60-11,736,496.12

Finding the Fourth Proportional to 21,526,131.37, 29,706,293.60 and 11,736,496.12

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Solution

The fourth proportional to 21,526,131.37, 29,706,293.60 and 11,736,496.12 is: 16,196,491.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,526,131.37 : 29,706,293.60 = 11,736,496.12 : x
  2. Step 2: Convert to fraction form
    21,526,131.37/29,706,293.60 = 11,736,496.12/x
  3. Step 3: Cross multiply
    21,526,131.37x = 29,706,293.60 × 11,736,496.12
  4. Step 4: Simplify right side
    21,526,131.37x = 348,647,799,575,980.81
  5. Step 5: Solve for x
    x = 348,647,799,575,980.81/21,526,131.37
  6. Step 6: Final answer
    x = 16,196,491.31

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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.