Home / 11,349,215.28-16,983,880.20-7,091,388.72

Finding the Fourth Proportional to 11,349,215.28, 16,983,880.20 and 7,091,388.72

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Solution

The fourth proportional to 11,349,215.28, 16,983,880.20 and 7,091,388.72 is: 10,612,125.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,349,215.28 : 16,983,880.20 = 7,091,388.72 : x
  2. Step 2: Convert to fraction form
    11,349,215.28/16,983,880.20 = 7,091,388.72/x
  3. Step 3: Cross multiply
    11,349,215.28x = 16,983,880.20 × 7,091,388.72
  4. Step 4: Simplify right side
    11,349,215.28x = 120,439,296,472,111.33
  5. Step 5: Solve for x
    x = 120,439,296,472,111.33/11,349,215.28
  6. Step 6: Final answer
    x = 10,612,125.46

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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.