Home / 28,577,172.48-39,436,770.96-15,524,529.54

Finding the Fourth Proportional to 28,577,172.48, 39,436,770.96 and 15,524,529.54

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Solution

The fourth proportional to 28,577,172.48, 39,436,770.96 and 15,524,529.54 is: 21,423,999.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,577,172.48 : 39,436,770.96 = 15,524,529.54 : x
  2. Step 2: Convert to fraction form
    28,577,172.48/39,436,770.96 = 15,524,529.54/x
  3. Step 3: Cross multiply
    28,577,172.48x = 39,436,770.96 × 15,524,529.54
  4. Step 4: Simplify right side
    28,577,172.48x = 612,237,315,730,734.12
  5. Step 5: Solve for x
    x = 612,237,315,730,734.12/28,577,172.48
  6. Step 6: Final answer
    x = 21,423,999.04

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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.