Home / 8,186,426.81-12,276,983.07-2,720,053.58

Finding the Fourth Proportional to 8,186,426.81, 12,276,983.07 and 2,720,053.58

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Solution

The fourth proportional to 8,186,426.81, 12,276,983.07 and 2,720,053.58 is: 4,079,197.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,186,426.81 : 12,276,983.07 = 2,720,053.58 : x
  2. Step 2: Convert to fraction form
    8,186,426.81/12,276,983.07 = 2,720,053.58/x
  3. Step 3: Cross multiply
    8,186,426.81x = 12,276,983.07 × 2,720,053.58
  4. Step 4: Simplify right side
    8,186,426.81x = 33,394,051,781,845.35
  5. Step 5: Solve for x
    x = 33,394,051,781,845.35/8,186,426.81
  6. Step 6: Final answer
    x = 4,079,197.50

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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.