Home / 13,174,617.84-18,180,969.68-7,373,399.28

Finding the Fourth Proportional to 13,174,617.84, 18,180,969.68 and 7,373,399.28

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Solution

The fourth proportional to 13,174,617.84, 18,180,969.68 and 7,373,399.28 is: 10,175,289.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,174,617.84 : 18,180,969.68 = 7,373,399.28 : x
  2. Step 2: Convert to fraction form
    13,174,617.84/18,180,969.68 = 7,373,399.28/x
  3. Step 3: Cross multiply
    13,174,617.84x = 18,180,969.68 × 7,373,399.28
  4. Step 4: Simplify right side
    13,174,617.84x = 134,055,548,748,213.83
  5. Step 5: Solve for x
    x = 134,055,548,748,213.83/13,174,617.84
  6. Step 6: Final answer
    x = 10,175,289.36

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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.