Home / 8,522,376.20-12,790,821.90-3,477,307.40

Finding the Fourth Proportional to 8,522,376.20, 12,790,821.90 and 3,477,307.40

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Solution

The fourth proportional to 8,522,376.20, 12,790,821.90 and 3,477,307.40 is: 5,218,922.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522,376.20 : 12,790,821.90 = 3,477,307.40 : x
  2. Step 2: Convert to fraction form
    8,522,376.20/12,790,821.90 = 3,477,307.40/x
  3. Step 3: Cross multiply
    8,522,376.20x = 12,790,821.90 × 3,477,307.40
  4. Step 4: Simplify right side
    8,522,376.20x = 44,477,619,644,952.06
  5. Step 5: Solve for x
    x = 44,477,619,644,952.06/8,522,376.20
  6. Step 6: Final answer
    x = 5,218,922.35

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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.