Home / 8,318,830.40-12,482,392.80-4,727,355.20

Finding the Fourth Proportional to 8,318,830.40, 12,482,392.80 and 4,727,355.20

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Solution

The fourth proportional to 8,318,830.40, 12,482,392.80 and 4,727,355.20 is: 7,093,389.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318,830.40 : 12,482,392.80 = 4,727,355.20 : x
  2. Step 2: Convert to fraction form
    8,318,830.40/12,482,392.80 = 4,727,355.20/x
  3. Step 3: Cross multiply
    8,318,830.40x = 12,482,392.80 × 4,727,355.20
  4. Step 4: Simplify right side
    8,318,830.40x = 59,008,704,511,522.56
  5. Step 5: Solve for x
    x = 59,008,704,511,522.56/8,318,830.40
  6. Step 6: Final answer
    x = 7,093,389.54

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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.