Home / 31,181,089-43,030,181.24-17,243,387.20

Finding the Fourth Proportional to 31,181,089, 43,030,181.24 and 17,243,387.20

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Solution

The fourth proportional to 31,181,089, 43,030,181.24 and 17,243,387.20 is: 23,796,028.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,181,089 : 43,030,181.24 = 17,243,387.20 : x
  2. Step 2: Convert to fraction form
    31,181,089/43,030,181.24 = 17,243,387.20/x
  3. Step 3: Cross multiply
    31,181,089x = 43,030,181.24 × 17,243,387.20
  4. Step 4: Simplify right side
    31,181,089x = 741,986,076,407,496.12
  5. Step 5: Solve for x
    x = 741,986,076,407,496.12/31,181,089
  6. Step 6: Final answer
    x = 23,796,028.30

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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.