Home / 20,085,898.98-30,070,929.53-18,009,044.20

Finding the Fourth Proportional to 20,085,898.98, 30,070,929.53 and 18,009,044.20

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Solution

The fourth proportional to 20,085,898.98, 30,070,929.53 and 18,009,044.20 is: 26,961,636.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,085,898.98 : 30,070,929.53 = 18,009,044.20 : x
  2. Step 2: Convert to fraction form
    20,085,898.98/30,070,929.53 = 18,009,044.20/x
  3. Step 3: Cross multiply
    20,085,898.98x = 30,070,929.53 × 18,009,044.20
  4. Step 4: Simplify right side
    20,085,898.98x = 541,548,698,853,016.62
  5. Step 5: Solve for x
    x = 541,548,698,853,016.62/20,085,898.98
  6. Step 6: Final answer
    x = 26,961,636.09

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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.