Home / 10,302,406.20-15,453,609.30-4,622,815.80

Finding the Fourth Proportional to 10,302,406.20, 15,453,609.30 and 4,622,815.80

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Solution

The fourth proportional to 10,302,406.20, 15,453,609.30 and 4,622,815.80 is: 6,934,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,302,406.20 : 15,453,609.30 = 4,622,815.80 : x
  2. Step 2: Convert to fraction form
    10,302,406.20/15,453,609.30 = 4,622,815.80/x
  3. Step 3: Cross multiply
    10,302,406.20x = 15,453,609.30 × 4,622,815.80
  4. Step 4: Simplify right side
    10,302,406.20x = 71,439,189,239,066.94
  5. Step 5: Solve for x
    x = 71,439,189,239,066.94/10,302,406.20
  6. Step 6: Final answer
    x = 6,934,223.70

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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.