Home / 30,036,162.25-45,058,739.49-10,871,403.28

Finding the Fourth Proportional to 30,036,162.25, 45,058,739.49 and 10,871,403.28

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Solution

The fourth proportional to 30,036,162.25, 45,058,739.49 and 10,871,403.28 is: 16,308,732.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,036,162.25 : 45,058,739.49 = 10,871,403.28 : x
  2. Step 2: Convert to fraction form
    30,036,162.25/45,058,739.49 = 10,871,403.28/x
  3. Step 3: Cross multiply
    30,036,162.25x = 45,058,739.49 × 10,871,403.28
  4. Step 4: Simplify right side
    30,036,162.25x = 489,851,728,284,251.50
  5. Step 5: Solve for x
    x = 489,851,728,284,251.50/30,036,162.25
  6. Step 6: Final answer
    x = 16,308,732.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.