Home / 7,380,216.80-11,071,880.40-3,118,191.20

Finding the Fourth Proportional to 7,380,216.80, 11,071,880.40 and 3,118,191.20

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Solution

The fourth proportional to 7,380,216.80, 11,071,880.40 and 3,118,191.20 is: 4,677,943.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380,216.80 : 11,071,880.40 = 3,118,191.20 : x
  2. Step 2: Convert to fraction form
    7,380,216.80/11,071,880.40 = 3,118,191.20/x
  3. Step 3: Cross multiply
    7,380,216.80x = 11,071,880.40 × 3,118,191.20
  4. Step 4: Simplify right side
    7,380,216.80x = 34,524,240,030,732.48
  5. Step 5: Solve for x
    x = 34,524,240,030,732.48/7,380,216.80
  6. Step 6: Final answer
    x = 4,677,943.88

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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.