Home / 38,310,894.92-52,869,021.08-20,907,240.14

Finding the Fourth Proportional to 38,310,894.92, 52,869,021.08 and 20,907,240.14

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Solution

The fourth proportional to 38,310,894.92, 52,869,021.08 and 20,907,240.14 is: 28,851,983.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,310,894.92 : 52,869,021.08 = 20,907,240.14 : x
  2. Step 2: Convert to fraction form
    38,310,894.92/52,869,021.08 = 20,907,240.14/x
  3. Step 3: Cross multiply
    38,310,894.92x = 52,869,021.08 × 20,907,240.14
  4. Step 4: Simplify right side
    38,310,894.92x = 1,105,345,319,686,282.12
  5. Step 5: Solve for x
    x = 1,105,345,319,686,282.12/38,310,894.92
  6. Step 6: Final answer
    x = 28,851,983.80

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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.