Home / 13,574,042.19-18,732,300.03-7,379,100.81

Finding the Fourth Proportional to 13,574,042.19, 18,732,300.03 and 7,379,100.81

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Solution

The fourth proportional to 13,574,042.19, 18,732,300.03 and 7,379,100.81 is: 10,183,225.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,574,042.19 : 18,732,300.03 = 7,379,100.81 : x
  2. Step 2: Convert to fraction form
    13,574,042.19/18,732,300.03 = 7,379,100.81/x
  3. Step 3: Cross multiply
    13,574,042.19x = 18,732,300.03 × 7,379,100.81
  4. Step 4: Simplify right side
    13,574,042.19x = 138,227,530,324,536.03
  5. Step 5: Solve for x
    x = 138,227,530,324,536.03/13,574,042.19
  6. Step 6: Final answer
    x = 10,183,225.33

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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.