Home / 14,000,422.40-20,958,643.20-8,317,721.60

Finding the Fourth Proportional to 14,000,422.40, 20,958,643.20 and 8,317,721.60

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Solution

The fourth proportional to 14,000,422.40, 20,958,643.20 and 8,317,721.60 is: 12,451,635.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000,422.40 : 20,958,643.20 = 8,317,721.60 : x
  2. Step 2: Convert to fraction form
    14,000,422.40/20,958,643.20 = 8,317,721.60/x
  3. Step 3: Cross multiply
    14,000,422.40x = 20,958,643.20 × 8,317,721.60
  4. Step 4: Simplify right side
    14,000,422.40x = 174,328,159,251,333.09
  5. Step 5: Solve for x
    x = 174,328,159,251,333.09/14,000,422.40
  6. Step 6: Final answer
    x = 12,451,635.69

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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.