Home / 14,086,128.80-21,110,530.80-12,481,162.40

Finding the Fourth Proportional to 14,086,128.80, 21,110,530.80 and 12,481,162.40

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Solution

The fourth proportional to 14,086,128.80, 21,110,530.80 and 12,481,162.40 is: 18,705,207.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,086,128.80 : 21,110,530.80 = 12,481,162.40 : x
  2. Step 2: Convert to fraction form
    14,086,128.80/21,110,530.80 = 12,481,162.40/x
  3. Step 3: Cross multiply
    14,086,128.80x = 21,110,530.80 × 12,481,162.40
  4. Step 4: Simplify right side
    14,086,128.80x = 263,483,963,265,001.94
  5. Step 5: Solve for x
    x = 263,483,963,265,001.94/14,086,128.80
  6. Step 6: Final answer
    x = 18,705,207.58

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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.