Home / 14,080,135.64-21,120,203.45-7,686,900.41

Finding the Fourth Proportional to 14,080,135.64, 21,120,203.45 and 7,686,900.41

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Solution

The fourth proportional to 14,080,135.64, 21,120,203.45 and 7,686,900.41 is: 11,530,350.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,080,135.64 : 21,120,203.45 = 7,686,900.41 : x
  2. Step 2: Convert to fraction form
    14,080,135.64/21,120,203.45 = 7,686,900.41/x
  3. Step 3: Cross multiply
    14,080,135.64x = 21,120,203.45 × 7,686,900.41
  4. Step 4: Simplify right side
    14,080,135.64x = 162,348,900,472,704.66
  5. Step 5: Solve for x
    x = 162,348,900,472,704.66/14,080,135.64
  6. Step 6: Final answer
    x = 11,530,350.61

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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.