Home / 18,306,271.43-25,260,984.92-10,862,650.85

Finding the Fourth Proportional to 18,306,271.43, 25,260,984.92 and 10,862,650.85

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Solution

The fourth proportional to 18,306,271.43, 25,260,984.92 and 10,862,650.85 is: 14,989,467.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,306,271.43 : 25,260,984.92 = 10,862,650.85 : x
  2. Step 2: Convert to fraction form
    18,306,271.43/25,260,984.92 = 10,862,650.85/x
  3. Step 3: Cross multiply
    18,306,271.43x = 25,260,984.92 × 10,862,650.85
  4. Step 4: Simplify right side
    18,306,271.43x = 274,401,259,132,457
  5. Step 5: Solve for x
    x = 274,401,259,132,457/18,306,271.43
  6. Step 6: Final answer
    x = 14,989,467.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.