Home / 28,539,633.12-39,384,799.73-15,486,894.73

Finding the Fourth Proportional to 28,539,633.12, 39,384,799.73 and 15,486,894.73

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Solution

The fourth proportional to 28,539,633.12, 39,384,799.73 and 15,486,894.73 is: 21,371,972.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,539,633.12 : 39,384,799.73 = 15,486,894.73 : x
  2. Step 2: Convert to fraction form
    28,539,633.12/39,384,799.73 = 15,486,894.73/x
  3. Step 3: Cross multiply
    28,539,633.12x = 39,384,799.73 × 15,486,894.73
  4. Step 4: Simplify right side
    28,539,633.12x = 609,948,247,380,642.38
  5. Step 5: Solve for x
    x = 609,948,247,380,642.38/28,539,633.12
  6. Step 6: Final answer
    x = 21,371,972.26

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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.