Home / 28,063,815.30-42,064,230.15-15,939,087.30

Finding the Fourth Proportional to 28,063,815.30, 42,064,230.15 and 15,939,087.30

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Solution

The fourth proportional to 28,063,815.30, 42,064,230.15 and 15,939,087.30 is: 23,890,744.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,063,815.30 : 42,064,230.15 = 15,939,087.30 : x
  2. Step 2: Convert to fraction form
    28,063,815.30/42,064,230.15 = 15,939,087.30/x
  3. Step 3: Cross multiply
    28,063,815.30x = 42,064,230.15 × 15,939,087.30
  4. Step 4: Simplify right side
    28,063,815.30x = 670,465,436,568,142.12
  5. Step 5: Solve for x
    x = 670,465,436,568,142.12/28,063,815.30
  6. Step 6: Final answer
    x = 23,890,744.34

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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.