Home / 7,215,814.37-9,957,470.00-3,952,643.60

Finding the Fourth Proportional to 7,215,814.37, 9,957,470.00 and 3,952,643.60

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Solution

The fourth proportional to 7,215,814.37, 9,957,470.00 and 3,952,643.60 is: 5,454,454.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215,814.37 : 9,957,470.00 = 3,952,643.60 : x
  2. Step 2: Convert to fraction form
    7,215,814.37/9,957,470.00 = 3,952,643.60/x
  3. Step 3: Cross multiply
    7,215,814.37x = 9,957,470.00 × 3,952,643.60
  4. Step 4: Simplify right side
    7,215,814.37x = 39,358,329,998,141.43
  5. Step 5: Solve for x
    x = 39,358,329,998,141.43/7,215,814.37
  6. Step 6: Final answer
    x = 5,454,454.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.