Home / 7,239,056.20-10,856,173.08-2,919,990.94

Finding the Fourth Proportional to 7,239,056.20, 10,856,173.08 and 2,919,990.94

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Solution

The fourth proportional to 7,239,056.20, 10,856,173.08 and 2,919,990.94 is: 4,379,013.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,239,056.20 : 10,856,173.08 = 2,919,990.94 : x
  2. Step 2: Convert to fraction form
    7,239,056.20/10,856,173.08 = 2,919,990.94/x
  3. Step 3: Cross multiply
    7,239,056.20x = 10,856,173.08 × 2,919,990.94
  4. Step 4: Simplify right side
    7,239,056.20x = 31,699,927,036,671.89
  5. Step 5: Solve for x
    x = 31,699,927,036,671.89/7,239,056.20
  6. Step 6: Final answer
    x = 4,379,013.81

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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.