Home / 14,084,513.80-21,108,108.30-12,479,547.40

Finding the Fourth Proportional to 14,084,513.80, 21,108,108.30 and 12,479,547.40

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Solution

The fourth proportional to 14,084,513.80, 21,108,108.30 and 12,479,547.40 is: 18,702,785.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,084,513.80 : 21,108,108.30 = 12,479,547.40 : x
  2. Step 2: Convert to fraction form
    14,084,513.80/21,108,108.30 = 12,479,547.40/x
  3. Step 3: Cross multiply
    14,084,513.80x = 21,108,108.30 × 12,479,547.40
  4. Step 4: Simplify right side
    14,084,513.80x = 263,419,638,054,183.44
  5. Step 5: Solve for x
    x = 263,419,638,054,183.44/14,084,513.80
  6. Step 6: Final answer
    x = 18,702,785.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.