Home / 18,219,825.92-25,143,364.91-9,959,924.23

Finding the Fourth Proportional to 18,219,825.92, 25,143,364.91 and 9,959,924.23

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Solution

The fourth proportional to 18,219,825.92, 25,143,364.91 and 9,959,924.23 is: 13,744,698.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,219,825.92 : 25,143,364.91 = 9,959,924.23 : x
  2. Step 2: Convert to fraction form
    18,219,825.92/25,143,364.91 = 9,959,924.23/x
  3. Step 3: Cross multiply
    18,219,825.92x = 25,143,364.91 × 9,959,924.23
  4. Step 4: Simplify right side
    18,219,825.92x = 250,426,009,352,882.16
  5. Step 5: Solve for x
    x = 250,426,009,352,882.16/18,219,825.92
  6. Step 6: Final answer
    x = 13,744,698.24

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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.