Home / 8,585,285.45-12,879,234.50-5,344,200.45

Finding the Fourth Proportional to 8,585,285.45, 12,879,234.50 and 5,344,200.45

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Solution

The fourth proportional to 8,585,285.45, 12,879,234.50 and 5,344,200.45 is: 8,017,113.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,585,285.45 : 12,879,234.50 = 5,344,200.45 : x
  2. Step 2: Convert to fraction form
    8,585,285.45/12,879,234.50 = 5,344,200.45/x
  3. Step 3: Cross multiply
    8,585,285.45x = 12,879,234.50 × 5,344,200.45
  4. Step 4: Simplify right side
    8,585,285.45x = 68,829,210,783,834.52
  5. Step 5: Solve for x
    x = 68,829,210,783,834.52/8,585,285.45
  6. Step 6: Final answer
    x = 8,017,113.84

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1.5x scale

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.