Home / 12,731,372.48-17,535,823.68-9,785,556.56

Finding the Fourth Proportional to 12,731,372.48, 17,535,823.68 and 9,785,556.56

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Solution

The fourth proportional to 12,731,372.48, 17,535,823.68 and 9,785,556.56 is: 13,478,342.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,731,372.48 : 17,535,823.68 = 9,785,556.56 : x
  2. Step 2: Convert to fraction form
    12,731,372.48/17,535,823.68 = 9,785,556.56/x
  3. Step 3: Cross multiply
    12,731,372.48x = 17,535,823.68 × 9,785,556.56
  4. Step 4: Simplify right side
    12,731,372.48x = 171,597,794,446,827.34
  5. Step 5: Solve for x
    x = 171,597,794,446,827.34/12,731,372.48
  6. Step 6: Final answer
    x = 13,478,342.16

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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.