Home / 15,338,412.48-21,174,679.44-9,539,062.56

Finding the Fourth Proportional to 15,338,412.48, 21,174,679.44 and 9,539,062.56

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Solution

The fourth proportional to 15,338,412.48, 21,174,679.44 and 9,539,062.56 is: 13,168,676.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,338,412.48 : 21,174,679.44 = 9,539,062.56 : x
  2. Step 2: Convert to fraction form
    15,338,412.48/21,174,679.44 = 9,539,062.56/x
  3. Step 3: Cross multiply
    15,338,412.48x = 21,174,679.44 × 9,539,062.56
  4. Step 4: Simplify right side
    15,338,412.48x = 201,986,591,866,105.78
  5. Step 5: Solve for x
    x = 201,986,591,866,105.78/15,338,412.48
  6. Step 6: Final answer
    x = 13,168,676.49

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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.