Home / 28,405,858.95-39,200,855.18-17,392,399.11

Finding the Fourth Proportional to 28,405,858.95, 39,200,855.18 and 17,392,399.11

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Solution

The fourth proportional to 28,405,858.95, 39,200,855.18 and 17,392,399.11 is: 24,001,982.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,405,858.95 : 39,200,855.18 = 17,392,399.11 : x
  2. Step 2: Convert to fraction form
    28,405,858.95/39,200,855.18 = 17,392,399.11/x
  3. Step 3: Cross multiply
    28,405,858.95x = 39,200,855.18 × 17,392,399.11
  4. Step 4: Simplify right side
    28,405,858.95x = 681,796,918,656,908.88
  5. Step 5: Solve for x
    x = 681,796,918,656,908.88/28,405,858.95
  6. Step 6: Final answer
    x = 24,001,982.12

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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.