Home / 12,019,829.42-18,029,611.02-2,921,935.70

Finding the Fourth Proportional to 12,019,829.42, 18,029,611.02 and 2,921,935.70

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Solution

The fourth proportional to 12,019,829.42, 18,029,611.02 and 2,921,935.70 is: 4,382,871.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,019,829.42 : 18,029,611.02 = 2,921,935.70 : x
  2. Step 2: Convert to fraction form
    12,019,829.42/18,029,611.02 = 2,921,935.70/x
  3. Step 3: Cross multiply
    12,019,829.42x = 18,029,611.02 × 2,921,935.70
  4. Step 4: Simplify right side
    12,019,829.42x = 52,681,364,096,451.41
  5. Step 5: Solve for x
    x = 52,681,364,096,451.41/12,019,829.42
  6. Step 6: Final answer
    x = 4,382,871.19

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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.