Home / 8,128,282.57-12,202,828.37-6,982,857.22

Finding the Fourth Proportional to 8,128,282.57, 12,202,828.37 and 6,982,857.22

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Solution

The fourth proportional to 8,128,282.57, 12,202,828.37 and 6,982,857.22 is: 10,483,224.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,128,282.57 : 12,202,828.37 = 6,982,857.22 : x
  2. Step 2: Convert to fraction form
    8,128,282.57/12,202,828.37 = 6,982,857.22/x
  3. Step 3: Cross multiply
    8,128,282.57x = 12,202,828.37 × 6,982,857.22
  4. Step 4: Simplify right side
    8,128,282.57x = 85,210,608,187,875.33
  5. Step 5: Solve for x
    x = 85,210,608,187,875.33/8,128,282.57
  6. Step 6: Final answer
    x = 10,483,224.16

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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.