Home / 8,439,101.80-12,658,998.30-2,455,469.80

Finding the Fourth Proportional to 8,439,101.80, 12,658,998.30 and 2,455,469.80

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Solution

The fourth proportional to 8,439,101.80, 12,658,998.30 and 2,455,469.80 is: 3,683,305.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,439,101.80 : 12,658,998.30 = 2,455,469.80 : x
  2. Step 2: Convert to fraction form
    8,439,101.80/12,658,998.30 = 2,455,469.80/x
  3. Step 3: Cross multiply
    8,439,101.80x = 12,658,998.30 × 2,455,469.80
  4. Step 4: Simplify right side
    8,439,101.80x = 31,083,788,023,901.34
  5. Step 5: Solve for x
    x = 31,083,788,023,901.34/8,439,101.80
  6. Step 6: Final answer
    x = 3,683,305.26

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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.