Home / 10,301,821.96-15,453,062.21-5,181,457.18

Finding the Fourth Proportional to 10,301,821.96, 15,453,062.21 and 5,181,457.18

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Solution

The fourth proportional to 10,301,821.96, 15,453,062.21 and 5,181,457.18 is: 7,772,351.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,301,821.96 : 15,453,062.21 = 5,181,457.18 : x
  2. Step 2: Convert to fraction form
    10,301,821.96/15,453,062.21 = 5,181,457.18/x
  3. Step 3: Cross multiply
    10,301,821.96x = 15,453,062.21 × 5,181,457.18
  4. Step 4: Simplify right side
    10,301,821.96x = 80,069,380,140,991.17
  5. Step 5: Solve for x
    x = 80,069,380,140,991.17/10,301,821.96
  6. Step 6: Final answer
    x = 7,772,351.38

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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.