Home / 13,202,495.70-19,803,743.55-12,724,198.80

Finding the Fourth Proportional to 13,202,495.70, 19,803,743.55 and 12,724,198.80

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Solution

The fourth proportional to 13,202,495.70, 19,803,743.55 and 12,724,198.80 is: 19,086,298.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,202,495.70 : 19,803,743.55 = 12,724,198.80 : x
  2. Step 2: Convert to fraction form
    13,202,495.70/19,803,743.55 = 12,724,198.80/x
  3. Step 3: Cross multiply
    13,202,495.70x = 19,803,743.55 × 12,724,198.80
  4. Step 4: Simplify right side
    13,202,495.70x = 251,986,769,914,417.75
  5. Step 5: Solve for x
    x = 251,986,769,914,417.75/13,202,495.70
  6. Step 6: Final answer
    x = 19,086,298.20

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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.