Home / 21,879,267.15-30,195,110.55-12,460,455.66

Finding the Fourth Proportional to 21,879,267.15, 30,195,110.55 and 12,460,455.66

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Solution

The fourth proportional to 21,879,267.15, 30,195,110.55 and 12,460,455.66 is: 17,196,409.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,879,267.15 : 30,195,110.55 = 12,460,455.66 : x
  2. Step 2: Convert to fraction form
    21,879,267.15/30,195,110.55 = 12,460,455.66/x
  3. Step 3: Cross multiply
    21,879,267.15x = 30,195,110.55 × 12,460,455.66
  4. Step 4: Simplify right side
    21,879,267.15x = 376,244,836,157,073.25
  5. Step 5: Solve for x
    x = 376,244,836,157,073.25/21,879,267.15
  6. Step 6: Final answer
    x = 17,196,409.44

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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.