Home / 13,176,889.20-19,766,808.36-4,199,399.28

Finding the Fourth Proportional to 13,176,889.20, 19,766,808.36 and 4,199,399.28

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Solution

The fourth proportional to 13,176,889.20, 19,766,808.36 and 4,199,399.28 is: 6,299,568.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176,889.20 : 19,766,808.36 = 4,199,399.28 : x
  2. Step 2: Convert to fraction form
    13,176,889.20/19,766,808.36 = 4,199,399.28/x
  3. Step 3: Cross multiply
    13,176,889.20x = 19,766,808.36 × 4,199,399.28
  4. Step 4: Simplify right side
    13,176,889.20x = 83,008,720,794,881.98
  5. Step 5: Solve for x
    x = 83,008,720,794,881.98/13,176,889.20
  6. Step 6: Final answer
    x = 6,299,568.85

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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.