Home / 30,941,796-42,701,007.08-17,190,760.12

Finding the Fourth Proportional to 30,941,796, 42,701,007.08 and 17,190,760.12

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Solution

The fourth proportional to 30,941,796, 42,701,007.08 and 17,190,760.12 is: 23,723,987.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,941,796 : 42,701,007.08 = 17,190,760.12 : x
  2. Step 2: Convert to fraction form
    30,941,796/42,701,007.08 = 17,190,760.12/x
  3. Step 3: Cross multiply
    30,941,796x = 42,701,007.08 × 17,190,760.12
  4. Step 4: Simplify right side
    30,941,796x = 734,062,769,594,701.62
  5. Step 5: Solve for x
    x = 734,062,769,594,701.62/30,941,796
  6. Step 6: Final answer
    x = 23,723,987.11

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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.