Home / 8,211,705.40-12,294,230.10-7,764,844.60

Finding the Fourth Proportional to 8,211,705.40, 12,294,230.10 and 7,764,844.60

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Solution

The fourth proportional to 8,211,705.40, 12,294,230.10 and 7,764,844.60 is: 11,625,208.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,211,705.40 : 12,294,230.10 = 7,764,844.60 : x
  2. Step 2: Convert to fraction form
    8,211,705.40/12,294,230.10 = 7,764,844.60/x
  3. Step 3: Cross multiply
    8,211,705.40x = 12,294,230.10 × 7,764,844.60
  4. Step 4: Simplify right side
    8,211,705.40x = 95,462,786,203,142.45
  5. Step 5: Solve for x
    x = 95,462,786,203,142.45/8,211,705.40
  6. Step 6: Final answer
    x = 11,625,208.35

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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.