Home / 13,524,340.96-20,289,833.28-3,939,803.68

Finding the Fourth Proportional to 13,524,340.96, 20,289,833.28 and 3,939,803.68

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Solution

The fourth proportional to 13,524,340.96, 20,289,833.28 and 3,939,803.68 is: 5,910,673.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524,340.96 : 20,289,833.28 = 3,939,803.68 : x
  2. Step 2: Convert to fraction form
    13,524,340.96/20,289,833.28 = 3,939,803.68/x
  3. Step 3: Cross multiply
    13,524,340.96x = 20,289,833.28 × 3,939,803.68
  4. Step 4: Simplify right side
    13,524,340.96x = 79,937,959,823,130.48
  5. Step 5: Solve for x
    x = 79,937,959,823,130.48/13,524,340.96
  6. Step 6: Final answer
    x = 5,910,673.21

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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.