Home / 13,395,905.20-18,486,138.30-7,284,280.24

Finding the Fourth Proportional to 13,395,905.20, 18,486,138.30 and 7,284,280.24

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Solution

The fourth proportional to 13,395,905.20, 18,486,138.30 and 7,284,280.24 is: 10,052,192.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,395,905.20 : 18,486,138.30 = 7,284,280.24 : x
  2. Step 2: Convert to fraction form
    13,395,905.20/18,486,138.30 = 7,284,280.24/x
  3. Step 3: Cross multiply
    13,395,905.20x = 18,486,138.30 × 7,284,280.24
  4. Step 4: Simplify right side
    13,395,905.20x = 134,658,211,932,597.20
  5. Step 5: Solve for x
    x = 134,658,211,932,597.20/13,395,905.20
  6. Step 6: Final answer
    x = 10,052,192.06

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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.