Home / 7,320,131.75-10,101,782.75-4,057,157.13

Finding the Fourth Proportional to 7,320,131.75, 10,101,782.75 and 4,057,157.13

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Solution

The fourth proportional to 7,320,131.75, 10,101,782.75 and 4,057,157.13 is: 5,598,877.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320,131.75 : 10,101,782.75 = 4,057,157.13 : x
  2. Step 2: Convert to fraction form
    7,320,131.75/10,101,782.75 = 4,057,157.13/x
  3. Step 3: Cross multiply
    7,320,131.75x = 10,101,782.75 × 4,057,157.13
  4. Step 4: Simplify right side
    7,320,131.75x = 40,984,519,909,873.51
  5. Step 5: Solve for x
    x = 40,984,519,909,873.51/7,320,131.75
  6. Step 6: Final answer
    x = 5,598,877.36

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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.