Home / 31,053,213.36-42,853,610.12-18,008,217.64

Finding the Fourth Proportional to 31,053,213.36, 42,853,610.12 and 18,008,217.64

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Solution

The fourth proportional to 31,053,213.36, 42,853,610.12 and 18,008,217.64 is: 24,851,442.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,053,213.36 : 42,853,610.12 = 18,008,217.64 : x
  2. Step 2: Convert to fraction form
    31,053,213.36/42,853,610.12 = 18,008,217.64/x
  3. Step 3: Cross multiply
    31,053,213.36x = 42,853,610.12 × 18,008,217.64
  4. Step 4: Simplify right side
    31,053,213.36x = 771,717,137,700,666.50
  5. Step 5: Solve for x
    x = 771,717,137,700,666.50/31,053,213.36
  6. Step 6: Final answer
    x = 24,851,442.22

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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.