Home / 7,989,020.30-11,983,530.45-4,959,806.60

Finding the Fourth Proportional to 7,989,020.30, 11,983,530.45 and 4,959,806.60

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Solution

The fourth proportional to 7,989,020.30, 11,983,530.45 and 4,959,806.60 is: 7,439,709.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,989,020.30 : 11,983,530.45 = 4,959,806.60 : x
  2. Step 2: Convert to fraction form
    7,989,020.30/11,983,530.45 = 4,959,806.60/x
  3. Step 3: Cross multiply
    7,989,020.30x = 11,983,530.45 × 4,959,806.60
  4. Step 4: Simplify right side
    7,989,020.30x = 59,435,993,417,210.96
  5. Step 5: Solve for x
    x = 59,435,993,417,210.96/7,989,020.30
  6. Step 6: Final answer
    x = 7,439,709.90

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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.