Home / 13,401,156.78-20,103,977.29-10,522,407.46

Finding the Fourth Proportional to 13,401,156.78, 20,103,977.29 and 10,522,407.46

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Solution

The fourth proportional to 13,401,156.78, 20,103,977.29 and 10,522,407.46 is: 15,785,371.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,401,156.78 : 20,103,977.29 = 10,522,407.46 : x
  2. Step 2: Convert to fraction form
    13,401,156.78/20,103,977.29 = 10,522,407.46/x
  3. Step 3: Cross multiply
    13,401,156.78x = 20,103,977.29 × 10,522,407.46
  4. Step 4: Simplify right side
    13,401,156.78x = 211,542,240,611,966.59
  5. Step 5: Solve for x
    x = 211,542,240,611,966.59/13,401,156.78
  6. Step 6: Final answer
    x = 15,785,371.68

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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.