Home / 28,440,897.73-39,248,438.25-15,388,156.65

Finding the Fourth Proportional to 28,440,897.73, 39,248,438.25 and 15,388,156.65

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Solution

The fourth proportional to 28,440,897.73, 39,248,438.25 and 15,388,156.65 is: 21,235,655.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,440,897.73 : 39,248,438.25 = 15,388,156.65 : x
  2. Step 2: Convert to fraction form
    28,440,897.73/39,248,438.25 = 15,388,156.65/x
  3. Step 3: Cross multiply
    28,440,897.73x = 39,248,438.25 × 15,388,156.65
  4. Step 4: Simplify right side
    28,440,897.73x = 603,961,115,969,375.75
  5. Step 5: Solve for x
    x = 603,961,115,969,375.75/28,440,897.73
  6. Step 6: Final answer
    x = 21,235,655.84

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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.