Home / 10,939,219.28-16,398,311.76-7,345,988

Finding the Fourth Proportional to 10,939,219.28, 16,398,311.76 and 7,345,988

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Solution

The fourth proportional to 10,939,219.28, 16,398,311.76 and 7,345,988 is: 11,011,919.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,939,219.28 : 16,398,311.76 = 7,345,988 : x
  2. Step 2: Convert to fraction form
    10,939,219.28/16,398,311.76 = 7,345,988/x
  3. Step 3: Cross multiply
    10,939,219.28x = 16,398,311.76 × 7,345,988
  4. Step 4: Simplify right side
    10,939,219.28x = 120,461,801,409,218.88
  5. Step 5: Solve for x
    x = 120,461,801,409,218.88/10,939,219.28
  6. Step 6: Final answer
    x = 11,011,919.44

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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.