Home / 10,926,709.20-16,386,216.24-3,638,189.64

Finding the Fourth Proportional to 10,926,709.20, 16,386,216.24 and 3,638,189.64

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Solution

The fourth proportional to 10,926,709.20, 16,386,216.24 and 3,638,189.64 is: 5,456,003.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,926,709.20 : 16,386,216.24 = 3,638,189.64 : x
  2. Step 2: Convert to fraction form
    10,926,709.20/16,386,216.24 = 3,638,189.64/x
  3. Step 3: Cross multiply
    10,926,709.20x = 16,386,216.24 × 3,638,189.64
  4. Step 4: Simplify right side
    10,926,709.20x = 59,616,162,163,167.76
  5. Step 5: Solve for x
    x = 59,616,162,163,167.76/10,926,709.20
  6. Step 6: Final answer
    x = 5,456,003.36

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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.