Home / 7,889,722.20-11,834,583.30-7,570,857.60

Finding the Fourth Proportional to 7,889,722.20, 11,834,583.30 and 7,570,857.60

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Solution

The fourth proportional to 7,889,722.20, 11,834,583.30 and 7,570,857.60 is: 11,356,286.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889,722.20 : 11,834,583.30 = 7,570,857.60 : x
  2. Step 2: Convert to fraction form
    7,889,722.20/11,834,583.30 = 7,570,857.60/x
  3. Step 3: Cross multiply
    7,889,722.20x = 11,834,583.30 × 7,570,857.60
  4. Step 4: Simplify right side
    7,889,722.20x = 89,597,944,919,638.08
  5. Step 5: Solve for x
    x = 89,597,944,919,638.08/7,889,722.20
  6. Step 6: Final answer
    x = 11,356,286.40

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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.