Home / 12,642,942.20-17,447,260.20-6,841,723.94

Finding the Fourth Proportional to 12,642,942.20, 17,447,260.20 and 6,841,723.94

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Solution

The fourth proportional to 12,642,942.20, 17,447,260.20 and 6,841,723.94 is: 9,441,579.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,642,942.20 : 17,447,260.20 = 6,841,723.94 : x
  2. Step 2: Convert to fraction form
    12,642,942.20/17,447,260.20 = 6,841,723.94/x
  3. Step 3: Cross multiply
    12,642,942.20x = 17,447,260.20 × 6,841,723.94
  4. Step 4: Simplify right side
    12,642,942.20x = 119,369,337,797,749.19
  5. Step 5: Solve for x
    x = 119,369,337,797,749.19/12,642,942.20
  6. Step 6: Final answer
    x = 9,441,579.02

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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.