Home / 12,581,745.32-18,872,586.20-3,483,812.54

Finding the Fourth Proportional to 12,581,745.32, 18,872,586.20 and 3,483,812.54

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Solution

The fourth proportional to 12,581,745.32, 18,872,586.20 and 3,483,812.54 is: 5,225,710.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,581,745.32 : 18,872,586.20 = 3,483,812.54 : x
  2. Step 2: Convert to fraction form
    12,581,745.32/18,872,586.20 = 3,483,812.54/x
  3. Step 3: Cross multiply
    12,581,745.32x = 18,872,586.20 × 3,483,812.54
  4. Step 4: Simplify right side
    12,581,745.32x = 65,748,552,465,790.95
  5. Step 5: Solve for x
    x = 65,748,552,465,790.95/12,581,745.32
  6. Step 6: Final answer
    x = 5,225,710.01

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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.