Home / 10,926,939.20-16,400,323.20-5,539,337.60

Finding the Fourth Proportional to 10,926,939.20, 16,400,323.20 and 5,539,337.60

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Solution

The fourth proportional to 10,926,939.20, 16,400,323.20 and 5,539,337.60 is: 8,314,032.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,926,939.20 : 16,400,323.20 = 5,539,337.60 : x
  2. Step 2: Convert to fraction form
    10,926,939.20/16,400,323.20 = 5,539,337.60/x
  3. Step 3: Cross multiply
    10,926,939.20x = 16,400,323.20 × 5,539,337.60
  4. Step 4: Simplify right side
    10,926,939.20x = 90,846,926,953,912.31
  5. Step 5: Solve for x
    x = 90,846,926,953,912.31/10,926,939.20
  6. Step 6: Final answer
    x = 8,314,032.44

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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.