Home / 13,586,817.70-18,749,957.10-7,391,899.63

Finding the Fourth Proportional to 13,586,817.70, 18,749,957.10 and 7,391,899.63

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Solution

The fourth proportional to 13,586,817.70, 18,749,957.10 and 7,391,899.63 is: 10,200,902.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586,817.70 : 18,749,957.10 = 7,391,899.63 : x
  2. Step 2: Convert to fraction form
    13,586,817.70/18,749,957.10 = 7,391,899.63/x
  3. Step 3: Cross multiply
    13,586,817.70x = 18,749,957.10 × 7,391,899.63
  4. Step 4: Simplify right side
    13,586,817.70x = 138,597,800,913,046.36
  5. Step 5: Solve for x
    x = 138,597,800,913,046.36/13,586,817.70
  6. Step 6: Final answer
    x = 10,200,902.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.