Home / 31,618,820.12-43,630,612.55-17,487,761.08

Finding the Fourth Proportional to 31,618,820.12, 43,630,612.55 and 17,487,761.08

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Solution

The fourth proportional to 31,618,820.12, 43,630,612.55 and 17,487,761.08 is: 24,131,252.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,618,820.12 : 43,630,612.55 = 17,487,761.08 : x
  2. Step 2: Convert to fraction form
    31,618,820.12/43,630,612.55 = 17,487,761.08/x
  3. Step 3: Cross multiply
    31,618,820.12x = 43,630,612.55 × 17,487,761.08
  4. Step 4: Simplify right side
    31,618,820.12x = 763,001,728,015,549.12
  5. Step 5: Solve for x
    x = 763,001,728,015,549.12/31,618,820.12
  6. Step 6: Final answer
    x = 24,131,252.37

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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.