Home / 10,361,756.10-15,542,634.15-8,470,632.90

Finding the Fourth Proportional to 10,361,756.10, 15,542,634.15 and 8,470,632.90

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Solution

The fourth proportional to 10,361,756.10, 15,542,634.15 and 8,470,632.90 is: 12,705,949.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,361,756.10 : 15,542,634.15 = 8,470,632.90 : x
  2. Step 2: Convert to fraction form
    10,361,756.10/15,542,634.15 = 8,470,632.90/x
  3. Step 3: Cross multiply
    10,361,756.10x = 15,542,634.15 × 8,470,632.90
  4. Step 4: Simplify right side
    10,361,756.10x = 131,655,948,183,653.55
  5. Step 5: Solve for x
    x = 131,655,948,183,653.55/10,361,756.10
  6. Step 6: Final answer
    x = 12,705,949.35

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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.