Home / 40,098,397.32-55,334,308.14-21,763,289.16

Finding the Fourth Proportional to 40,098,397.32, 55,334,308.14 and 21,763,289.16

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Solution

The fourth proportional to 40,098,397.32, 55,334,308.14 and 21,763,289.16 is: 30,032,535.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,098,397.32 : 55,334,308.14 = 21,763,289.16 : x
  2. Step 2: Convert to fraction form
    40,098,397.32/55,334,308.14 = 21,763,289.16/x
  3. Step 3: Cross multiply
    40,098,397.32x = 55,334,308.14 × 21,763,289.16
  4. Step 4: Simplify right side
    40,098,397.32x = 1,204,256,548,519,361.75
  5. Step 5: Solve for x
    x = 1,204,256,548,519,361.75/40,098,397.32
  6. Step 6: Final answer
    x = 30,032,535.69

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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.