Home / 13,174,612.61-18,180,962.74-7,373,393.72

Finding the Fourth Proportional to 13,174,612.61, 18,180,962.74 and 7,373,393.72

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Solution

The fourth proportional to 13,174,612.61, 18,180,962.74 and 7,373,393.72 is: 10,175,281.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,174,612.61 : 18,180,962.74 = 7,373,393.72 : x
  2. Step 2: Convert to fraction form
    13,174,612.61/18,180,962.74 = 7,373,393.72/x
  3. Step 3: Cross multiply
    13,174,612.61x = 18,180,962.74 × 7,373,393.72
  4. Step 4: Simplify right side
    13,174,612.61x = 134,055,396,490,669.97
  5. Step 5: Solve for x
    x = 134,055,396,490,669.97/13,174,612.61
  6. Step 6: Final answer
    x = 10,175,281.84

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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.