Home / 40,098,399.32-55,334,310.90-21,763,291.16

Finding the Fourth Proportional to 40,098,399.32, 55,334,310.90 and 21,763,291.16

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Solution

The fourth proportional to 40,098,399.32, 55,334,310.90 and 21,763,291.16 is: 30,032,538.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,098,399.32 : 55,334,310.90 = 21,763,291.16 : x
  2. Step 2: Convert to fraction form
    40,098,399.32/55,334,310.90 = 21,763,291.16/x
  3. Step 3: Cross multiply
    40,098,399.32x = 55,334,310.90 × 21,763,291.16
  4. Step 4: Simplify right side
    40,098,399.32x = 1,204,256,719,254,661.50
  5. Step 5: Solve for x
    x = 1,204,256,719,254,661.50/40,098,399.32
  6. Step 6: Final answer
    x = 30,032,538.45

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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.