Home / 12,705,834.68-19,059,894.12-3,608,021.60

Finding the Fourth Proportional to 12,705,834.68, 19,059,894.12 and 3,608,021.60

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Solution

The fourth proportional to 12,705,834.68, 19,059,894.12 and 3,608,021.60 is: 5,412,356.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,705,834.68 : 19,059,894.12 = 3,608,021.60 : x
  2. Step 2: Convert to fraction form
    12,705,834.68/19,059,894.12 = 3,608,021.60/x
  3. Step 3: Cross multiply
    12,705,834.68x = 19,059,894.12 × 3,608,021.60
  4. Step 4: Simplify right side
    12,705,834.68x = 68,768,509,678,673
  5. Step 5: Solve for x
    x = 68,768,509,678,673/12,705,834.68
  6. Step 6: Final answer
    x = 5,412,356.72

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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.