Home / 28,444,876.20-39,253,655.70-15,391,849.32

Finding the Fourth Proportional to 28,444,876.20, 39,253,655.70 and 15,391,849.32

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Solution

The fourth proportional to 28,444,876.20, 39,253,655.70 and 15,391,849.32 is: 21,240,604.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,444,876.20 : 39,253,655.70 = 15,391,849.32 : x
  2. Step 2: Convert to fraction form
    28,444,876.20/39,253,655.70 = 15,391,849.32/x
  3. Step 3: Cross multiply
    28,444,876.20x = 39,253,655.70 × 15,391,849.32
  4. Step 4: Simplify right side
    28,444,876.20x = 604,186,353,793,559.12
  5. Step 5: Solve for x
    x = 604,186,353,793,559.12/28,444,876.20
  6. Step 6: Final answer
    x = 21,240,604.09

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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.