Home / 10,986,829.20-16,468,579.80-5,303,350.80

Finding the Fourth Proportional to 10,986,829.20, 16,468,579.80 and 5,303,350.80

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Solution

The fourth proportional to 10,986,829.20, 16,468,579.80 and 5,303,350.80 is: 7,949,395.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986,829.20 : 16,468,579.80 = 5,303,350.80 : x
  2. Step 2: Convert to fraction form
    10,986,829.20/16,468,579.80 = 5,303,350.80/x
  3. Step 3: Cross multiply
    10,986,829.20x = 16,468,579.80 × 5,303,350.80
  4. Step 4: Simplify right side
    10,986,829.20x = 87,338,655,857,193.84
  5. Step 5: Solve for x
    x = 87,338,655,857,193.84/10,986,829.20
  6. Step 6: Final answer
    x = 7,949,395.98

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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.