Home / 18,356,479.75-25,331,992.53-10,097,388.16

Finding the Fourth Proportional to 18,356,479.75, 25,331,992.53 and 10,097,388.16

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Solution

The fourth proportional to 18,356,479.75, 25,331,992.53 and 10,097,388.16 is: 13,934,423.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,356,479.75 : 25,331,992.53 = 10,097,388.16 : x
  2. Step 2: Convert to fraction form
    18,356,479.75/25,331,992.53 = 10,097,388.16/x
  3. Step 3: Cross multiply
    18,356,479.75x = 25,331,992.53 × 10,097,388.16
  4. Step 4: Simplify right side
    18,356,479.75x = 255,786,961,314,970.47
  5. Step 5: Solve for x
    x = 255,786,961,314,970.47/18,356,479.75
  6. Step 6: Final answer
    x = 13,934,423.42

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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.