Home / 30,485,029.05-42,067,773.23-18,095,644.89

Finding the Fourth Proportional to 30,485,029.05, 42,067,773.23 and 18,095,644.89

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Solution

The fourth proportional to 30,485,029.05, 42,067,773.23 and 18,095,644.89 is: 24,971,059.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,485,029.05 : 42,067,773.23 = 18,095,644.89 : x
  2. Step 2: Convert to fraction form
    30,485,029.05/42,067,773.23 = 18,095,644.89/x
  3. Step 3: Cross multiply
    30,485,029.05x = 42,067,773.23 × 18,095,644.89
  4. Step 4: Simplify right side
    30,485,029.05x = 761,243,485,592,650.12
  5. Step 5: Solve for x
    x = 761,243,485,592,650.12/30,485,029.05
  6. Step 6: Final answer
    x = 24,971,059.87

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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.