Home / 11,880,014.40-17,820,021.60-10,179,403.20

Finding the Fourth Proportional to 11,880,014.40, 17,820,021.60 and 10,179,403.20

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Solution

The fourth proportional to 11,880,014.40, 17,820,021.60 and 10,179,403.20 is: 15,269,104.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880,014.40 : 17,820,021.60 = 10,179,403.20 : x
  2. Step 2: Convert to fraction form
    11,880,014.40/17,820,021.60 = 10,179,403.20/x
  3. Step 3: Cross multiply
    11,880,014.40x = 17,820,021.60 × 10,179,403.20
  4. Step 4: Simplify right side
    11,880,014.40x = 181,397,184,899,109.12
  5. Step 5: Solve for x
    x = 181,397,184,899,109.12/11,880,014.40
  6. Step 6: Final answer
    x = 15,269,104.80

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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.