Home / 12,156,999.40-18,233,166.30-3,637,613.80

Finding the Fourth Proportional to 12,156,999.40, 18,233,166.30 and 3,637,613.80

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Solution

The fourth proportional to 12,156,999.40, 18,233,166.30 and 3,637,613.80 is: 5,455,722.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,156,999.40 : 18,233,166.30 = 3,637,613.80 : x
  2. Step 2: Convert to fraction form
    12,156,999.40/18,233,166.30 = 3,637,613.80/x
  3. Step 3: Cross multiply
    12,156,999.40x = 18,233,166.30 × 3,637,613.80
  4. Step 4: Simplify right side
    12,156,999.40x = 66,325,217,350,574.94
  5. Step 5: Solve for x
    x = 66,325,217,350,574.94/12,156,999.40
  6. Step 6: Final answer
    x = 5,455,722.68

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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.