Home / 14,342,340.44-19,792,433.94-7,815,971.72

Finding the Fourth Proportional to 14,342,340.44, 19,792,433.94 and 7,815,971.72

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Solution

The fourth proportional to 14,342,340.44, 19,792,433.94 and 7,815,971.72 is: 10,786,043.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,342,340.44 : 19,792,433.94 = 7,815,971.72 : x
  2. Step 2: Convert to fraction form
    14,342,340.44/19,792,433.94 = 7,815,971.72/x
  3. Step 3: Cross multiply
    14,342,340.44x = 19,792,433.94 × 7,815,971.72
  4. Step 4: Simplify right side
    14,342,340.44x = 154,697,103,945,008.19
  5. Step 5: Solve for x
    x = 154,697,103,945,008.19/14,342,340.44
  6. Step 6: Final answer
    x = 10,786,043.23

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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.