Home / 31,053,212.36-42,853,608.74-18,008,216.63

Finding the Fourth Proportional to 31,053,212.36, 42,853,608.74 and 18,008,216.63

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Solution

The fourth proportional to 31,053,212.36, 42,853,608.74 and 18,008,216.63 is: 24,851,440.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,053,212.36 : 42,853,608.74 = 18,008,216.63 : x
  2. Step 2: Convert to fraction form
    31,053,212.36/42,853,608.74 = 18,008,216.63/x
  3. Step 3: Cross multiply
    31,053,212.36x = 42,853,608.74 × 18,008,216.63
  4. Step 4: Simplify right side
    31,053,212.36x = 771,717,069,567,181.38
  5. Step 5: Solve for x
    x = 771,717,069,567,181.38/31,053,212.36
  6. Step 6: Final answer
    x = 24,851,440.83

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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.