Home / 8,614,630.80-12,914,125.06-4,298,001.28

Finding the Fourth Proportional to 8,614,630.80, 12,914,125.06 and 4,298,001.28

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Solution

The fourth proportional to 8,614,630.80, 12,914,125.06 and 4,298,001.28 is: 6,443,099.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,614,630.80 : 12,914,125.06 = 4,298,001.28 : x
  2. Step 2: Convert to fraction form
    8,614,630.80/12,914,125.06 = 4,298,001.28/x
  3. Step 3: Cross multiply
    8,614,630.80x = 12,914,125.06 × 4,298,001.28
  4. Step 4: Simplify right side
    8,614,630.80x = 55,504,925,986,871
  5. Step 5: Solve for x
    x = 55,504,925,986,871/8,614,630.80
  6. Step 6: Final answer
    x = 6,443,099.80

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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.