Home / 13,199,107.10-19,800,628.95-4,678,773.80

Finding the Fourth Proportional to 13,199,107.10, 19,800,628.95 and 4,678,773.80

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Solution

The fourth proportional to 13,199,107.10, 19,800,628.95 and 4,678,773.80 is: 7,018,858.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,199,107.10 : 19,800,628.95 = 4,678,773.80 : x
  2. Step 2: Convert to fraction form
    13,199,107.10/19,800,628.95 = 4,678,773.80/x
  3. Step 3: Cross multiply
    13,199,107.10x = 19,800,628.95 × 4,678,773.80
  4. Step 4: Simplify right side
    13,199,107.10x = 92,642,663,954,781.50
  5. Step 5: Solve for x
    x = 92,642,663,954,781.50/13,199,107.10
  6. Step 6: Final answer
    x = 7,018,858.42

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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.