Home / 28,726,960.74-39,607,349.13-18,396,700.26

Finding the Fourth Proportional to 28,726,960.74, 39,607,349.13 and 18,396,700.26

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Solution

The fourth proportional to 28,726,960.74, 39,607,349.13 and 18,396,700.26 is: 25,364,483.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,726,960.74 : 39,607,349.13 = 18,396,700.26 : x
  2. Step 2: Convert to fraction form
    28,726,960.74/39,607,349.13 = 18,396,700.26/x
  3. Step 3: Cross multiply
    28,726,960.74x = 39,607,349.13 × 18,396,700.26
  4. Step 4: Simplify right side
    28,726,960.74x = 728,644,530,037,781.88
  5. Step 5: Solve for x
    x = 728,644,530,037,781.88/28,726,960.74
  6. Step 6: Final answer
    x = 25,364,483.79

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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.