Home / 12,702,423.65-19,053,650.66-3,480,474.89

Finding the Fourth Proportional to 12,702,423.65, 19,053,650.66 and 3,480,474.89

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Solution

The fourth proportional to 12,702,423.65, 19,053,650.66 and 3,480,474.89 is: 5,220,716.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,702,423.65 : 19,053,650.66 = 3,480,474.89 : x
  2. Step 2: Convert to fraction form
    12,702,423.65/19,053,650.66 = 3,480,474.89/x
  3. Step 3: Cross multiply
    12,702,423.65x = 19,053,650.66 × 3,480,474.89
  4. Step 4: Simplify right side
    12,702,423.65x = 66,315,752,715,193.69
  5. Step 5: Solve for x
    x = 66,315,752,715,193.69/12,702,423.65
  6. Step 6: Final answer
    x = 5,220,716.50

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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.