Home / 8,136,740.66-12,211,009.06-3,019,898.78

Finding the Fourth Proportional to 8,136,740.66, 12,211,009.06 and 3,019,898.78

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Solution

The fourth proportional to 8,136,740.66, 12,211,009.06 and 3,019,898.78 is: 4,532,037.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136,740.66 : 12,211,009.06 = 3,019,898.78 : x
  2. Step 2: Convert to fraction form
    8,136,740.66/12,211,009.06 = 3,019,898.78/x
  3. Step 3: Cross multiply
    8,136,740.66x = 12,211,009.06 × 3,019,898.78
  4. Step 4: Simplify right side
    8,136,740.66x = 36,876,011,315,613.04
  5. Step 5: Solve for x
    x = 36,876,011,315,613.04/8,136,740.66
  6. Step 6: Final answer
    x = 4,532,037.19

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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.