Home / 8,957,815.80-13,436,723.70-4,912,740.60

Finding the Fourth Proportional to 8,957,815.80, 13,436,723.70 and 4,912,740.60

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Solution

The fourth proportional to 8,957,815.80, 13,436,723.70 and 4,912,740.60 is: 7,369,110.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,957,815.80 : 13,436,723.70 = 4,912,740.60 : x
  2. Step 2: Convert to fraction form
    8,957,815.80/13,436,723.70 = 4,912,740.60/x
  3. Step 3: Cross multiply
    8,957,815.80x = 13,436,723.70 × 4,912,740.60
  4. Step 4: Simplify right side
    8,957,815.80x = 66,011,138,051,972.21
  5. Step 5: Solve for x
    x = 66,011,138,051,972.21/8,957,815.80
  6. Step 6: Final answer
    x = 7,369,110.90

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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.