Home / 12,317,562-16,997,882.40-6,810,840.72

Finding the Fourth Proportional to 12,317,562, 16,997,882.40 and 6,810,840.72

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Solution

The fourth proportional to 12,317,562, 16,997,882.40 and 6,810,840.72 is: 9,398,764.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,317,562 : 16,997,882.40 = 6,810,840.72 : x
  2. Step 2: Convert to fraction form
    12,317,562/16,997,882.40 = 6,810,840.72/x
  3. Step 3: Cross multiply
    12,317,562x = 16,997,882.40 × 6,810,840.72
  4. Step 4: Simplify right side
    12,317,562x = 115,769,869,603,691.31
  5. Step 5: Solve for x
    x = 115,769,869,603,691.31/12,317,562
  6. Step 6: Final answer
    x = 9,398,764.92

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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.