Home / 15,122,573.48-20,871,180.96-9,616,494.80

Finding the Fourth Proportional to 15,122,573.48, 20,871,180.96 and 9,616,494.80

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Solution

The fourth proportional to 15,122,573.48, 20,871,180.96 and 9,616,494.80 is: 13,272,053.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,122,573.48 : 20,871,180.96 = 9,616,494.80 : x
  2. Step 2: Convert to fraction form
    15,122,573.48/20,871,180.96 = 9,616,494.80/x
  3. Step 3: Cross multiply
    15,122,573.48x = 20,871,180.96 × 9,616,494.80
  4. Step 4: Simplify right side
    15,122,573.48x = 200,707,603,171,699.03
  5. Step 5: Solve for x
    x = 200,707,603,171,699.03/15,122,573.48
  6. Step 6: Final answer
    x = 13,272,053.43

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1.5x scale

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.