Home / 12,483,651.40-18,730,142.70-4,915,892.68

Finding the Fourth Proportional to 12,483,651.40, 18,730,142.70 and 4,915,892.68

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Solution

The fourth proportional to 12,483,651.40, 18,730,142.70 and 4,915,892.68 is: 7,375,676.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,483,651.40 : 18,730,142.70 = 4,915,892.68 : x
  2. Step 2: Convert to fraction form
    12,483,651.40/18,730,142.70 = 4,915,892.68/x
  3. Step 3: Cross multiply
    12,483,651.40x = 18,730,142.70 × 4,915,892.68
  4. Step 4: Simplify right side
    12,483,651.40x = 92,075,371,394,285.42
  5. Step 5: Solve for x
    x = 92,075,371,394,285.42/12,483,651.40
  6. Step 6: Final answer
    x = 7,375,676.27

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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.