Home / 30,501,047.80-45,751,571.70-10,305,998.20

Finding the Fourth Proportional to 30,501,047.80, 45,751,571.70 and 10,305,998.20

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Solution

The fourth proportional to 30,501,047.80, 45,751,571.70 and 10,305,998.20 is: 15,458,997.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,501,047.80 : 45,751,571.70 = 10,305,998.20 : x
  2. Step 2: Convert to fraction form
    30,501,047.80/45,751,571.70 = 10,305,998.20/x
  3. Step 3: Cross multiply
    30,501,047.80x = 45,751,571.70 × 10,305,998.20
  4. Step 4: Simplify right side
    30,501,047.80x = 471,515,615,587,370.94
  5. Step 5: Solve for x
    x = 471,515,615,587,370.94/30,501,047.80
  6. Step 6: Final answer
    x = 15,458,997.30

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1.5x scale

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.