Home / 7,328,579.80-10,992,869.70-5,439,011.80

Finding the Fourth Proportional to 7,328,579.80, 10,992,869.70 and 5,439,011.80

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Solution

The fourth proportional to 7,328,579.80, 10,992,869.70 and 5,439,011.80 is: 8,158,517.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328,579.80 : 10,992,869.70 = 5,439,011.80 : x
  2. Step 2: Convert to fraction form
    7,328,579.80/10,992,869.70 = 5,439,011.80/x
  3. Step 3: Cross multiply
    7,328,579.80x = 10,992,869.70 × 5,439,011.80
  4. Step 4: Simplify right side
    7,328,579.80x = 59,790,348,014,162.45
  5. Step 5: Solve for x
    x = 59,790,348,014,162.45/7,328,579.80
  6. Step 6: Final answer
    x = 8,158,517.70

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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.