Home / 7,381,348.40-11,072,022.60-7,281,815.60

Finding the Fourth Proportional to 7,381,348.40, 11,072,022.60 and 7,281,815.60

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Solution

The fourth proportional to 7,381,348.40, 11,072,022.60 and 7,281,815.60 is: 10,922,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,348.40 : 11,072,022.60 = 7,281,815.60 : x
  2. Step 2: Convert to fraction form
    7,381,348.40/11,072,022.60 = 7,281,815.60/x
  3. Step 3: Cross multiply
    7,381,348.40x = 11,072,022.60 × 7,281,815.60
  4. Step 4: Simplify right side
    7,381,348.40x = 80,624,426,892,232.55
  5. Step 5: Solve for x
    x = 80,624,426,892,232.55/7,381,348.40
  6. Step 6: Final answer
    x = 10,922,723.40

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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.