Home / 13,891,401-20,829,024.80-5,256,167.42

Finding the Fourth Proportional to 13,891,401, 20,829,024.80 and 5,256,167.42

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Solution

The fourth proportional to 13,891,401, 20,829,024.80 and 5,256,167.42 is: 7,881,195.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891,401 : 20,829,024.80 = 5,256,167.42 : x
  2. Step 2: Convert to fraction form
    13,891,401/20,829,024.80 = 5,256,167.42/x
  3. Step 3: Cross multiply
    13,891,401x = 20,829,024.80 × 5,256,167.42
  4. Step 4: Simplify right side
    13,891,401x = 109,480,841,544,132.02
  5. Step 5: Solve for x
    x = 109,480,841,544,132.02/13,891,401
  6. Step 6: Final answer
    x = 7,881,195.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.