Home / 23,100,382.08-31,878,140.16-12,786,883.20

Finding the Fourth Proportional to 23,100,382.08, 31,878,140.16 and 12,786,883.20

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Solution

The fourth proportional to 23,100,382.08, 31,878,140.16 and 12,786,883.20 is: 17,645,684.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,100,382.08 : 31,878,140.16 = 12,786,883.20 : x
  2. Step 2: Convert to fraction form
    23,100,382.08/31,878,140.16 = 12,786,883.20/x
  3. Step 3: Cross multiply
    23,100,382.08x = 31,878,140.16 × 12,786,883.20
  4. Step 4: Simplify right side
    23,100,382.08x = 407,622,054,859,149.31
  5. Step 5: Solve for x
    x = 407,622,054,859,149.31/23,100,382.08
  6. Step 6: Final answer
    x = 17,645,684.54

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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.