Home / 14,211,537.20-21,312,640.20-5,234,922.80

Finding the Fourth Proportional to 14,211,537.20, 21,312,640.20 and 5,234,922.80

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Solution

The fourth proportional to 14,211,537.20, 21,312,640.20 and 5,234,922.80 is: 7,850,665.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211,537.20 : 21,312,640.20 = 5,234,922.80 : x
  2. Step 2: Convert to fraction form
    14,211,537.20/21,312,640.20 = 5,234,922.80/x
  3. Step 3: Cross multiply
    14,211,537.20x = 21,312,640.20 × 5,234,922.80
  4. Step 4: Simplify right side
    14,211,537.20x = 111,570,026,111,176.55
  5. Step 5: Solve for x
    x = 111,570,026,111,176.55/14,211,537.20
  6. Step 6: Final answer
    x = 7,850,665.59

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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.