Home / 9,789,949.20-13,510,354.98-5,379,949.02

Finding the Fourth Proportional to 9,789,949.20, 13,510,354.98 and 5,379,949.02

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Solution

The fourth proportional to 9,789,949.20, 13,510,354.98 and 5,379,949.02 is: 7,424,453.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,789,949.20 : 13,510,354.98 = 5,379,949.02 : x
  2. Step 2: Convert to fraction form
    9,789,949.20/13,510,354.98 = 5,379,949.02/x
  3. Step 3: Cross multiply
    9,789,949.20x = 13,510,354.98 × 5,379,949.02
  4. Step 4: Simplify right side
    9,789,949.20x = 72,685,021,034,503.11
  5. Step 5: Solve for x
    x = 72,685,021,034,503.11/9,789,949.20
  6. Step 6: Final answer
    x = 7,424,453.34

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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.