Home / 14,890,954.42-20,543,142.83-9,299,493.75

Finding the Fourth Proportional to 14,890,954.42, 20,543,142.83 and 9,299,493.75

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Solution

The fourth proportional to 14,890,954.42, 20,543,142.83 and 9,299,493.75 is: 12,829,320.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,890,954.42 : 20,543,142.83 = 9,299,493.75 : x
  2. Step 2: Convert to fraction form
    14,890,954.42/20,543,142.83 = 9,299,493.75/x
  3. Step 3: Cross multiply
    14,890,954.42x = 20,543,142.83 × 9,299,493.75
  4. Step 4: Simplify right side
    14,890,954.42x = 191,040,828,352,942.28
  5. Step 5: Solve for x
    x = 191,040,828,352,942.28/14,890,954.42
  6. Step 6: Final answer
    x = 12,829,320.60

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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.