Home / 6,390,640.80-9,585,961.20-5,868,093.60

Finding the Fourth Proportional to 6,390,640.80, 9,585,961.20 and 5,868,093.60

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Solution

The fourth proportional to 6,390,640.80, 9,585,961.20 and 5,868,093.60 is: 8,802,140.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390,640.80 : 9,585,961.20 = 5,868,093.60 : x
  2. Step 2: Convert to fraction form
    6,390,640.80/9,585,961.20 = 5,868,093.60/x
  3. Step 3: Cross multiply
    6,390,640.80x = 9,585,961.20 × 5,868,093.60
  4. Step 4: Simplify right side
    6,390,640.80x = 56,251,317,567,568.31
  5. Step 5: Solve for x
    x = 56,251,317,567,568.31/6,390,640.80
  6. Step 6: Final answer
    x = 8,802,140.40

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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.