Home / 7,228,173.20-9,974,696.52-4,130,499.56

Finding the Fourth Proportional to 7,228,173.20, 9,974,696.52 and 4,130,499.56

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Solution

The fourth proportional to 7,228,173.20, 9,974,696.52 and 4,130,499.56 is: 5,699,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228,173.20 : 9,974,696.52 = 4,130,499.56 : x
  2. Step 2: Convert to fraction form
    7,228,173.20/9,974,696.52 = 4,130,499.56/x
  3. Step 3: Cross multiply
    7,228,173.20x = 9,974,696.52 × 4,130,499.56
  4. Step 4: Simplify right side
    7,228,173.20x = 41,200,479,537,120.05
  5. Step 5: Solve for x
    x = 41,200,479,537,120.05/7,228,173.20
  6. Step 6: Final answer
    x = 5,699,985.10

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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.