Home / 7,771,247.40-11,656,871.10-7,298,466.60

Finding the Fourth Proportional to 7,771,247.40, 11,656,871.10 and 7,298,466.60

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Solution

The fourth proportional to 7,771,247.40, 11,656,871.10 and 7,298,466.60 is: 10,947,699.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771,247.40 : 11,656,871.10 = 7,298,466.60 : x
  2. Step 2: Convert to fraction form
    7,771,247.40/11,656,871.10 = 7,298,466.60/x
  3. Step 3: Cross multiply
    7,771,247.40x = 11,656,871.10 × 7,298,466.60
  4. Step 4: Simplify right side
    7,771,247.40x = 85,077,284,383,855.25
  5. Step 5: Solve for x
    x = 85,077,284,383,855.25/7,771,247.40
  6. Step 6: Final answer
    x = 10,947,699.90

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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.