Home / 13,205,006.20-19,783,889.70-11,315,438.20

Finding the Fourth Proportional to 13,205,006.20, 19,783,889.70 and 11,315,438.20

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Solution

The fourth proportional to 13,205,006.20, 19,783,889.70 and 11,315,438.20 is: 16,952,917.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,205,006.20 : 19,783,889.70 = 11,315,438.20 : x
  2. Step 2: Convert to fraction form
    13,205,006.20/19,783,889.70 = 11,315,438.20/x
  3. Step 3: Cross multiply
    13,205,006.20x = 19,783,889.70 × 11,315,438.20
  4. Step 4: Simplify right side
    13,205,006.20x = 223,863,381,255,966.53
  5. Step 5: Solve for x
    x = 223,863,381,255,966.53/13,205,006.20
  6. Step 6: Final answer
    x = 16,952,917.54

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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.