Home / 21,751,255.08-30,017,521.24-12,460,620.74

Finding the Fourth Proportional to 21,751,255.08, 30,017,521.24 and 12,460,620.74

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Solution

The fourth proportional to 21,751,255.08, 30,017,521.24 and 12,460,620.74 is: 17,196,108.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,751,255.08 : 30,017,521.24 = 12,460,620.74 : x
  2. Step 2: Convert to fraction form
    21,751,255.08/30,017,521.24 = 12,460,620.74/x
  3. Step 3: Cross multiply
    21,751,255.08x = 30,017,521.24 × 12,460,620.74
  4. Step 4: Simplify right side
    21,751,255.08x = 374,036,947,770,426.75
  5. Step 5: Solve for x
    x = 374,036,947,770,426.75/21,751,255.08
  6. Step 6: Final answer
    x = 17,196,108.75

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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.