Home / 30,609,035.52-42,237,343.26-18,846,435.84

Finding the Fourth Proportional to 30,609,035.52, 42,237,343.26 and 18,846,435.84

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Solution

The fourth proportional to 30,609,035.52, 42,237,343.26 and 18,846,435.84 is: 26,006,156.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,609,035.52 : 42,237,343.26 = 18,846,435.84 : x
  2. Step 2: Convert to fraction form
    30,609,035.52/42,237,343.26 = 18,846,435.84/x
  3. Step 3: Cross multiply
    30,609,035.52x = 42,237,343.26 × 18,846,435.84
  4. Step 4: Simplify right side
    30,609,035.52x = 796,023,379,801,646.38
  5. Step 5: Solve for x
    x = 796,023,379,801,646.38/30,609,035.52
  6. Step 6: Final answer
    x = 26,006,156.88

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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.