Home / 15,391,867.92-21,231,523.08-10,164,924.16

Finding the Fourth Proportional to 15,391,867.92, 21,231,523.08 and 10,164,924.16

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Solution

The fourth proportional to 15,391,867.92, 21,231,523.08 and 10,164,924.16 is: 14,021,483.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,391,867.92 : 21,231,523.08 = 10,164,924.16 : x
  2. Step 2: Convert to fraction form
    15,391,867.92/21,231,523.08 = 10,164,924.16/x
  3. Step 3: Cross multiply
    15,391,867.92x = 21,231,523.08 × 10,164,924.16
  4. Step 4: Simplify right side
    15,391,867.92x = 215,816,821,909,489.59
  5. Step 5: Solve for x
    x = 215,816,821,909,489.59/15,391,867.92
  6. Step 6: Final answer
    x = 14,021,483.49

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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.