Home / 21,525,142.20-29,697,244.26-13,794,447.12

Finding the Fourth Proportional to 21,525,142.20, 29,697,244.26 and 13,794,447.12

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Solution

The fourth proportional to 21,525,142.20, 29,697,244.26 and 13,794,447.12 is: 19,031,561.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,525,142.20 : 29,697,244.26 = 13,794,447.12 : x
  2. Step 2: Convert to fraction form
    21,525,142.20/29,697,244.26 = 13,794,447.12/x
  3. Step 3: Cross multiply
    21,525,142.20x = 29,697,244.26 × 13,794,447.12
  4. Step 4: Simplify right side
    21,525,142.20x = 409,657,065,554,293.50
  5. Step 5: Solve for x
    x = 409,657,065,554,293.50/21,525,142.20
  6. Step 6: Final answer
    x = 19,031,561.41

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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.