Home / 13,905,830.80-20,858,746.20-8,803,997.20

Finding the Fourth Proportional to 13,905,830.80, 20,858,746.20 and 8,803,997.20

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Solution

The fourth proportional to 13,905,830.80, 20,858,746.20 and 8,803,997.20 is: 13,205,995.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,905,830.80 : 20,858,746.20 = 8,803,997.20 : x
  2. Step 2: Convert to fraction form
    13,905,830.80/20,858,746.20 = 8,803,997.20/x
  3. Step 3: Cross multiply
    13,905,830.80x = 20,858,746.20 × 8,803,997.20
  4. Step 4: Simplify right side
    13,905,830.80x = 183,640,343,140,310.62
  5. Step 5: Solve for x
    x = 183,640,343,140,310.62/13,905,830.80
  6. Step 6: Final answer
    x = 13,205,995.80

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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.