Home / 13,320,308.77-18,382,025.88-7,208,737.27

Finding the Fourth Proportional to 13,320,308.77, 18,382,025.88 and 7,208,737.27

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Solution

The fourth proportional to 13,320,308.77, 18,382,025.88 and 7,208,737.27 is: 9,948,057.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,320,308.77 : 18,382,025.88 = 7,208,737.27 : x
  2. Step 2: Convert to fraction form
    13,320,308.77/18,382,025.88 = 7,208,737.27/x
  3. Step 3: Cross multiply
    13,320,308.77x = 18,382,025.88 × 7,208,737.27
  4. Step 4: Simplify right side
    13,320,308.77x = 132,511,194,986,272.70
  5. Step 5: Solve for x
    x = 132,511,194,986,272.70/13,320,308.77
  6. Step 6: Final answer
    x = 9,948,057.31

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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.