Home / 12,185,956.06-18,280,149.70-4,511,652.78

Finding the Fourth Proportional to 12,185,956.06, 18,280,149.70 and 4,511,652.78

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Solution

The fourth proportional to 12,185,956.06, 18,280,149.70 and 4,511,652.78 is: 6,767,929.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,185,956.06 : 18,280,149.70 = 4,511,652.78 : x
  2. Step 2: Convert to fraction form
    12,185,956.06/18,280,149.70 = 4,511,652.78/x
  3. Step 3: Cross multiply
    12,185,956.06x = 18,280,149.70 × 4,511,652.78
  4. Step 4: Simplify right side
    12,185,956.06x = 82,473,688,212,821.17
  5. Step 5: Solve for x
    x = 82,473,688,212,821.17/12,185,956.06
  6. Step 6: Final answer
    x = 6,767,929.23

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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.