Home / 21,293,675.21-29,385,272.65-11,504,119.36

Finding the Fourth Proportional to 21,293,675.21, 29,385,272.65 and 11,504,119.36

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Solution

The fourth proportional to 21,293,675.21, 29,385,272.65 and 11,504,119.36 is: 15,875,685.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,293,675.21 : 29,385,272.65 = 11,504,119.36 : x
  2. Step 2: Convert to fraction form
    21,293,675.21/29,385,272.65 = 11,504,119.36/x
  3. Step 3: Cross multiply
    21,293,675.21x = 29,385,272.65 × 11,504,119.36
  4. Step 4: Simplify right side
    21,293,675.21x = 338,051,683,860,759.69
  5. Step 5: Solve for x
    x = 338,051,683,860,759.69/21,293,675.21
  6. Step 6: Final answer
    x = 15,875,685.18

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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.