Home / 13,562,143.92-20,343,384-3,977,720.30

Finding the Fourth Proportional to 13,562,143.92, 20,343,384 and 3,977,720.30

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Solution

The fourth proportional to 13,562,143.92, 20,343,384 and 3,977,720.30 is: 5,966,629.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,562,143.92 : 20,343,384 = 3,977,720.30 : x
  2. Step 2: Convert to fraction form
    13,562,143.92/20,343,384 = 3,977,720.30/x
  3. Step 3: Cross multiply
    13,562,143.92x = 20,343,384 × 3,977,720.30
  4. Step 4: Simplify right side
    13,562,143.92x = 80,920,291,558,353.67
  5. Step 5: Solve for x
    x = 80,920,291,558,353.67/13,562,143.92
  6. Step 6: Final answer
    x = 5,966,629.76

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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.