Home / 10,403,999.70-15,605,999.55-7,002,777.30

Finding the Fourth Proportional to 10,403,999.70, 15,605,999.55 and 7,002,777.30

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Solution

The fourth proportional to 10,403,999.70, 15,605,999.55 and 7,002,777.30 is: 10,504,165.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403,999.70 : 15,605,999.55 = 7,002,777.30 : x
  2. Step 2: Convert to fraction form
    10,403,999.70/15,605,999.55 = 7,002,777.30/x
  3. Step 3: Cross multiply
    10,403,999.70x = 15,605,999.55 × 7,002,777.30
  4. Step 4: Simplify right side
    10,403,999.70x = 109,285,339,392,550.22
  5. Step 5: Solve for x
    x = 109,285,339,392,550.22/10,403,999.70
  6. Step 6: Final answer
    x = 10,504,165.95

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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.