Home / 12,815,548.68-17,685,392.64-6,935,178.61

Finding the Fourth Proportional to 12,815,548.68, 17,685,392.64 and 6,935,178.61

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Solution

The fourth proportional to 12,815,548.68, 17,685,392.64 and 6,935,178.61 is: 9,570,511.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,815,548.68 : 17,685,392.64 = 6,935,178.61 : x
  2. Step 2: Convert to fraction form
    12,815,548.68/17,685,392.64 = 6,935,178.61/x
  3. Step 3: Cross multiply
    12,815,548.68x = 17,685,392.64 × 6,935,178.61
  4. Step 4: Simplify right side
    12,815,548.68x = 122,651,356,746,379.44
  5. Step 5: Solve for x
    x = 122,651,356,746,379.44/12,815,548.68
  6. Step 6: Final answer
    x = 9,570,511.56

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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.