Home / 12,391,324.87-17,100,489.81-7,430,573.87

Finding the Fourth Proportional to 12,391,324.87, 17,100,489.81 and 7,430,573.87

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Solution

The fourth proportional to 12,391,324.87, 17,100,489.81 and 7,430,573.87 is: 10,254,468.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,391,324.87 : 17,100,489.81 = 7,430,573.87 : x
  2. Step 2: Convert to fraction form
    12,391,324.87/17,100,489.81 = 7,430,573.87/x
  3. Step 3: Cross multiply
    12,391,324.87x = 17,100,489.81 × 7,430,573.87
  4. Step 4: Simplify right side
    12,391,324.87x = 127,066,452,687,030.91
  5. Step 5: Solve for x
    x = 127,066,452,687,030.91/12,391,324.87
  6. Step 6: Final answer
    x = 10,254,468.68

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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.