Home / 31,410,198.40-47,116,347.36-8,689,192.96

Finding the Fourth Proportional to 31,410,198.40, 47,116,347.36 and 8,689,192.96

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Solution

The fourth proportional to 31,410,198.40, 47,116,347.36 and 8,689,192.96 is: 13,034,079.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,410,198.40 : 47,116,347.36 = 8,689,192.96 : x
  2. Step 2: Convert to fraction form
    31,410,198.40/47,116,347.36 = 8,689,192.96/x
  3. Step 3: Cross multiply
    31,410,198.40x = 47,116,347.36 × 8,689,192.96
  4. Step 4: Simplify right side
    31,410,198.40x = 409,403,033,781,426.62
  5. Step 5: Solve for x
    x = 409,403,033,781,426.62/31,410,198.40
  6. Step 6: Final answer
    x = 13,034,079.84

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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.