Home / 28,892,610.55-39,871,792.96-15,839,589.44

Finding the Fourth Proportional to 28,892,610.55, 39,871,792.96 and 15,839,589.44

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Solution

The fourth proportional to 28,892,610.55, 39,871,792.96 and 15,839,589.44 is: 21,858,628.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,892,610.55 : 39,871,792.96 = 15,839,589.44 : x
  2. Step 2: Convert to fraction form
    28,892,610.55/39,871,792.96 = 15,839,589.44/x
  3. Step 3: Cross multiply
    28,892,610.55x = 39,871,792.96 × 15,839,589.44
  4. Step 4: Simplify right side
    28,892,610.55x = 631,552,830,558,884.12
  5. Step 5: Solve for x
    x = 631,552,830,558,884.12/28,892,610.55
  6. Step 6: Final answer
    x = 21,858,628.16

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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.