Home / 11,948,785.20-17,890,000.20-11,617,009.20

Finding the Fourth Proportional to 11,948,785.20, 17,890,000.20 and 11,617,009.20

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Solution

The fourth proportional to 11,948,785.20, 17,890,000.20 and 11,617,009.20 is: 17,393,257.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948,785.20 : 17,890,000.20 = 11,617,009.20 : x
  2. Step 2: Convert to fraction form
    11,948,785.20/17,890,000.20 = 11,617,009.20/x
  3. Step 3: Cross multiply
    11,948,785.20x = 17,890,000.20 × 11,617,009.20
  4. Step 4: Simplify right side
    11,948,785.20x = 207,828,296,911,401.81
  5. Step 5: Solve for x
    x = 207,828,296,911,401.81/11,948,785.20
  6. Step 6: Final answer
    x = 17,393,257.43

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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.