Home / 14,101,311.72-21,151,967.76-9,307,879.68

Finding the Fourth Proportional to 14,101,311.72, 21,151,967.76 and 9,307,879.68

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Solution

The fourth proportional to 14,101,311.72, 21,151,967.76 and 9,307,879.68 is: 13,961,819.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101,311.72 : 21,151,967.76 = 9,307,879.68 : x
  2. Step 2: Convert to fraction form
    14,101,311.72/21,151,967.76 = 9,307,879.68/x
  3. Step 3: Cross multiply
    14,101,311.72x = 21,151,967.76 × 9,307,879.68
  4. Step 4: Simplify right side
    14,101,311.72x = 196,879,970,905,319.12
  5. Step 5: Solve for x
    x = 196,879,970,905,319.12/14,101,311.72
  6. Step 6: Final answer
    x = 13,961,819.64

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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.