Home / 30,570,468.46-42,187,581.32-16,631,902.80

Finding the Fourth Proportional to 30,570,468.46, 42,187,581.32 and 16,631,902.80

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Solution

The fourth proportional to 30,570,468.46, 42,187,581.32 and 16,631,902.80 is: 22,952,208.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,570,468.46 : 42,187,581.32 = 16,631,902.80 : x
  2. Step 2: Convert to fraction form
    30,570,468.46/42,187,581.32 = 16,631,902.80/x
  3. Step 3: Cross multiply
    30,570,468.46x = 42,187,581.32 × 16,631,902.80
  4. Step 4: Simplify right side
    30,570,468.46x = 701,659,751,881,335.75
  5. Step 5: Solve for x
    x = 701,659,751,881,335.75/30,570,468.46
  6. Step 6: Final answer
    x = 22,952,208.04

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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.