Home / 18,748,359.68-28,122,539.52-17,790,978.56

Finding the Fourth Proportional to 18,748,359.68, 28,122,539.52 and 17,790,978.56

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Solution

The fourth proportional to 18,748,359.68, 28,122,539.52 and 17,790,978.56 is: 26,686,467.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,748,359.68 : 28,122,539.52 = 17,790,978.56 : x
  2. Step 2: Convert to fraction form
    18,748,359.68/28,122,539.52 = 17,790,978.56/x
  3. Step 3: Cross multiply
    18,748,359.68x = 28,122,539.52 × 17,790,978.56
  4. Step 4: Simplify right side
    18,748,359.68x = 500,327,497,653,072.62
  5. Step 5: Solve for x
    x = 500,327,497,653,072.62/18,748,359.68
  6. Step 6: Final answer
    x = 26,686,467.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.