Home / 14,646,339.12-20,213,145.36-8,122,014.96

Finding the Fourth Proportional to 14,646,339.12, 20,213,145.36 and 8,122,014.96

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Solution

The fourth proportional to 14,646,339.12, 20,213,145.36 and 8,122,014.96 is: 11,209,044.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,646,339.12 : 20,213,145.36 = 8,122,014.96 : x
  2. Step 2: Convert to fraction form
    14,646,339.12/20,213,145.36 = 8,122,014.96/x
  3. Step 3: Cross multiply
    14,646,339.12x = 20,213,145.36 × 8,122,014.96
  4. Step 4: Simplify right side
    14,646,339.12x = 164,171,469,002,574.59
  5. Step 5: Solve for x
    x = 164,171,469,002,574.59/14,646,339.12
  6. Step 6: Final answer
    x = 11,209,044.64

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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.