Home / 28,229,860.26-38,957,026.68-15,670,779.48

Finding the Fourth Proportional to 28,229,860.26, 38,957,026.68 and 15,670,779.48

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Solution

The fourth proportional to 28,229,860.26, 38,957,026.68 and 15,670,779.48 is: 21,625,575.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,229,860.26 : 38,957,026.68 = 15,670,779.48 : x
  2. Step 2: Convert to fraction form
    28,229,860.26/38,957,026.68 = 15,670,779.48/x
  3. Step 3: Cross multiply
    28,229,860.26x = 38,957,026.68 × 15,670,779.48
  4. Step 4: Simplify right side
    28,229,860.26x = 610,486,974,298,756.50
  5. Step 5: Solve for x
    x = 610,486,974,298,756.50/28,229,860.26
  6. Step 6: Final answer
    x = 21,625,575.50

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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.