Home / 40,092,033.76-55,327,412.40-21,757,477.60

Finding the Fourth Proportional to 40,092,033.76, 55,327,412.40 and 21,757,477.60

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Solution

The fourth proportional to 40,092,033.76, 55,327,412.40 and 21,757,477.60 is: 30,025,539.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,092,033.76 : 55,327,412.40 = 21,757,477.60 : x
  2. Step 2: Convert to fraction form
    40,092,033.76/55,327,412.40 = 21,757,477.60/x
  3. Step 3: Cross multiply
    40,092,033.76x = 55,327,412.40 × 21,757,477.60
  4. Step 4: Simplify right side
    40,092,033.76x = 1,203,784,935,958,962.25
  5. Step 5: Solve for x
    x = 1,203,784,935,958,962.25/40,092,033.76
  6. Step 6: Final answer
    x = 30,025,539.32

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1.5x scale

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.