Home / 28,062,428.90-42,093,643.35-15,969,193.70

Finding the Fourth Proportional to 28,062,428.90, 42,093,643.35 and 15,969,193.70

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Solution

The fourth proportional to 28,062,428.90, 42,093,643.35 and 15,969,193.70 is: 23,953,790.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,062,428.90 : 42,093,643.35 = 15,969,193.70 : x
  2. Step 2: Convert to fraction form
    28,062,428.90/42,093,643.35 = 15,969,193.70/x
  3. Step 3: Cross multiply
    28,062,428.90x = 42,093,643.35 × 15,969,193.70
  4. Step 4: Simplify right side
    28,062,428.90x = 672,201,544,194,866.88
  5. Step 5: Solve for x
    x = 672,201,544,194,866.88/28,062,428.90
  6. Step 6: Final answer
    x = 23,953,790.55

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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.