Home / 15,322,696.62-21,145,318.83-8,796,746.94

Finding the Fourth Proportional to 15,322,696.62, 21,145,318.83 and 8,796,746.94

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Solution

The fourth proportional to 15,322,696.62, 21,145,318.83 and 8,796,746.94 is: 12,139,509.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,322,696.62 : 21,145,318.83 = 8,796,746.94 : x
  2. Step 2: Convert to fraction form
    15,322,696.62/21,145,318.83 = 8,796,746.94/x
  3. Step 3: Cross multiply
    15,322,696.62x = 21,145,318.83 × 8,796,746.94
  4. Step 4: Simplify right side
    15,322,696.62x = 186,010,018,713,126.84
  5. Step 5: Solve for x
    x = 186,010,018,713,126.84/15,322,696.62
  6. Step 6: Final answer
    x = 12,139,509.34

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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.