Home / 19,516,439.88-29,276,096.22-5,139,406.44

Finding the Fourth Proportional to 19,516,439.88, 29,276,096.22 and 5,139,406.44

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Solution

The fourth proportional to 19,516,439.88, 29,276,096.22 and 5,139,406.44 is: 7,709,487.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,516,439.88 : 29,276,096.22 = 5,139,406.44 : x
  2. Step 2: Convert to fraction form
    19,516,439.88/29,276,096.22 = 5,139,406.44/x
  3. Step 3: Cross multiply
    19,516,439.88x = 29,276,096.22 × 5,139,406.44
  4. Step 4: Simplify right side
    19,516,439.88x = 150,461,757,451,127.66
  5. Step 5: Solve for x
    x = 150,461,757,451,127.66/19,516,439.88
  6. Step 6: Final answer
    x = 7,709,487.92

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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.