Home / 14,646,336.12-20,213,141.22-8,122,011.96

Finding the Fourth Proportional to 14,646,336.12, 20,213,141.22 and 8,122,011.96

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Solution

The fourth proportional to 14,646,336.12, 20,213,141.22 and 8,122,011.96 is: 11,209,040.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,646,336.12 : 20,213,141.22 = 8,122,011.96 : x
  2. Step 2: Convert to fraction form
    14,646,336.12/20,213,141.22 = 8,122,011.96/x
  3. Step 3: Cross multiply
    14,646,336.12x = 20,213,141.22 × 8,122,011.96
  4. Step 4: Simplify right side
    14,646,336.12x = 164,171,374,738,008.97
  5. Step 5: Solve for x
    x = 164,171,374,738,008.97/14,646,336.12
  6. Step 6: Final answer
    x = 11,209,040.50

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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.