Home / 8,781,324.40-13,147,103.40-7,885,529.20

Finding the Fourth Proportional to 8,781,324.40, 13,147,103.40 and 7,885,529.20

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Solution

The fourth proportional to 8,781,324.40, 13,147,103.40 and 7,885,529.20 is: 11,805,948.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,781,324.40 : 13,147,103.40 = 7,885,529.20 : x
  2. Step 2: Convert to fraction form
    8,781,324.40/13,147,103.40 = 7,885,529.20/x
  3. Step 3: Cross multiply
    8,781,324.40x = 13,147,103.40 × 7,885,529.20
  4. Step 4: Simplify right side
    8,781,324.40x = 103,671,867,756,119.28
  5. Step 5: Solve for x
    x = 103,671,867,756,119.28/8,781,324.40
  6. Step 6: Final answer
    x = 11,805,948.97

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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.