Home / 15,180,622.74-20,948,900.13-8,305,161.30

Finding the Fourth Proportional to 15,180,622.74, 20,948,900.13 and 8,305,161.30

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Solution

The fourth proportional to 15,180,622.74, 20,948,900.13 and 8,305,161.30 is: 11,460,926.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,180,622.74 : 20,948,900.13 = 8,305,161.30 : x
  2. Step 2: Convert to fraction form
    15,180,622.74/20,948,900.13 = 8,305,161.30/x
  3. Step 3: Cross multiply
    15,180,622.74x = 20,948,900.13 × 8,305,161.30
  4. Step 4: Simplify right side
    15,180,622.74x = 173,983,994,637,240.97
  5. Step 5: Solve for x
    x = 173,983,994,637,240.97/15,180,622.74
  6. Step 6: Final answer
    x = 11,460,926.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.