Home / 13,173,022.23-18,178,481.07-7,212,416.91

Finding the Fourth Proportional to 13,173,022.23, 18,178,481.07 and 7,212,416.91

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Solution

The fourth proportional to 13,173,022.23, 18,178,481.07 and 7,212,416.91 is: 9,952,976.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173,022.23 : 18,178,481.07 = 7,212,416.91 : x
  2. Step 2: Convert to fraction form
    13,173,022.23/18,178,481.07 = 7,212,416.91/x
  3. Step 3: Cross multiply
    13,173,022.23x = 18,178,481.07 × 7,212,416.91
  4. Step 4: Simplify right side
    13,173,022.23x = 131,110,784,267,382.91
  5. Step 5: Solve for x
    x = 131,110,784,267,382.91/13,173,022.23
  6. Step 6: Final answer
    x = 9,952,976.77

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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.