Home / 20,580,083.17-30,871,939.30-5,808,309.87

Finding the Fourth Proportional to 20,580,083.17, 30,871,939.30 and 5,808,309.87

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Solution

The fourth proportional to 20,580,083.17, 30,871,939.30 and 5,808,309.87 is: 8,712,976.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,580,083.17 : 30,871,939.30 = 5,808,309.87 : x
  2. Step 2: Convert to fraction form
    20,580,083.17/30,871,939.30 = 5,808,309.87/x
  3. Step 3: Cross multiply
    20,580,083.17x = 30,871,939.30 × 5,808,309.87
  4. Step 4: Simplify right side
    20,580,083.17x = 179,313,789,593,886.91
  5. Step 5: Solve for x
    x = 179,313,789,593,886.91/20,580,083.17
  6. Step 6: Final answer
    x = 8,712,976.91

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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.