Home / 12,822,519.29-19,237,374.73-5,151,550.78

Finding the Fourth Proportional to 12,822,519.29, 19,237,374.73 and 5,151,550.78

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Solution

The fourth proportional to 12,822,519.29, 19,237,374.73 and 5,151,550.78 is: 7,728,770.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,822,519.29 : 19,237,374.73 = 5,151,550.78 : x
  2. Step 2: Convert to fraction form
    12,822,519.29/19,237,374.73 = 5,151,550.78/x
  3. Step 3: Cross multiply
    12,822,519.29x = 19,237,374.73 × 5,151,550.78
  4. Step 4: Simplify right side
    12,822,519.29x = 99,102,312,699,296.92
  5. Step 5: Solve for x
    x = 99,102,312,699,296.92/12,822,519.29
  6. Step 6: Final answer
    x = 7,728,770.80

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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.