Home / 12,580,708.69-18,846,400.81-6,519,416.47

Finding the Fourth Proportional to 12,580,708.69, 18,846,400.81 and 6,519,416.47

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Solution

The fourth proportional to 12,580,708.69, 18,846,400.81 and 6,519,416.47 is: 9,766,344.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,580,708.69 : 18,846,400.81 = 6,519,416.47 : x
  2. Step 2: Convert to fraction form
    12,580,708.69/18,846,400.81 = 6,519,416.47/x
  3. Step 3: Cross multiply
    12,580,708.69x = 18,846,400.81 × 6,519,416.47
  4. Step 4: Simplify right side
    12,580,708.69x = 122,867,535,888,051.34
  5. Step 5: Solve for x
    x = 122,867,535,888,051.34/12,580,708.69
  6. Step 6: Final answer
    x = 9,766,344.56

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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.