Home / 21,879,264.15-30,195,106.41-12,460,452.66

Finding the Fourth Proportional to 21,879,264.15, 30,195,106.41 and 12,460,452.66

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Solution

The fourth proportional to 21,879,264.15, 30,195,106.41 and 12,460,452.66 is: 17,196,405.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,879,264.15 : 30,195,106.41 = 12,460,452.66 : x
  2. Step 2: Convert to fraction form
    21,879,264.15/30,195,106.41 = 12,460,452.66/x
  3. Step 3: Cross multiply
    21,879,264.15x = 30,195,106.41 × 12,460,452.66
  4. Step 4: Simplify right side
    21,879,264.15x = 376,244,693,985,467.56
  5. Step 5: Solve for x
    x = 376,244,693,985,467.56/21,879,264.15
  6. Step 6: Final answer
    x = 17,196,405.30

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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.