Home / 21,409,133.90-29,544,633.28-11,619,578.08

Finding the Fourth Proportional to 21,409,133.90, 29,544,633.28 and 11,619,578.08

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Solution

The fourth proportional to 21,409,133.90, 29,544,633.28 and 11,619,578.08 is: 16,035,033.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,409,133.90 : 29,544,633.28 = 11,619,578.08 : x
  2. Step 2: Convert to fraction form
    21,409,133.90/29,544,633.28 = 11,619,578.08/x
  3. Step 3: Cross multiply
    21,409,133.90x = 29,544,633.28 × 11,619,578.08
  4. Step 4: Simplify right side
    21,409,133.90x = 343,296,173,241,926.50
  5. Step 5: Solve for x
    x = 343,296,173,241,926.50/21,409,133.90
  6. Step 6: Final answer
    x = 16,035,033.22

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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.