Home / 14,280,121.87-19,706,366.41-8,085,008.73

Finding the Fourth Proportional to 14,280,121.87, 19,706,366.41 and 8,085,008.73

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Solution

The fourth proportional to 14,280,121.87, 19,706,366.41 and 8,085,008.73 is: 11,157,197.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,280,121.87 : 19,706,366.41 = 8,085,008.73 : x
  2. Step 2: Convert to fraction form
    14,280,121.87/19,706,366.41 = 8,085,008.73/x
  3. Step 3: Cross multiply
    14,280,121.87x = 19,706,366.41 × 8,085,008.73
  4. Step 4: Simplify right side
    14,280,121.87x = 159,326,144,461,428.78
  5. Step 5: Solve for x
    x = 159,326,144,461,428.78/14,280,121.87
  6. Step 6: Final answer
    x = 11,157,197.81

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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.