Home / 21,796,481.08-30,081,506.66-12,007,928.28

Finding the Fourth Proportional to 21,796,481.08, 30,081,506.66 and 12,007,928.28

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Solution

The fourth proportional to 21,796,481.08, 30,081,506.66 and 12,007,928.28 is: 16,572,242.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,796,481.08 : 30,081,506.66 = 12,007,928.28 : x
  2. Step 2: Convert to fraction form
    21,796,481.08/30,081,506.66 = 12,007,928.28/x
  3. Step 3: Cross multiply
    21,796,481.08x = 30,081,506.66 × 12,007,928.28
  4. Step 4: Simplify right side
    21,796,481.08x = 361,216,574,527,622.31
  5. Step 5: Solve for x
    x = 361,216,574,527,622.31/21,796,481.08
  6. Step 6: Final answer
    x = 16,572,242.70

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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.