Home / 20,487,563.43-28,272,496.04-11,194,929.35

Finding the Fourth Proportional to 20,487,563.43, 28,272,496.04 and 11,194,929.35

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Solution

The fourth proportional to 20,487,563.43, 28,272,496.04 and 11,194,929.35 is: 15,448,815.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,487,563.43 : 28,272,496.04 = 11,194,929.35 : x
  2. Step 2: Convert to fraction form
    20,487,563.43/28,272,496.04 = 11,194,929.35/x
  3. Step 3: Cross multiply
    20,487,563.43x = 28,272,496.04 × 11,194,929.35
  4. Step 4: Simplify right side
    20,487,563.43x = 316,508,595,794,173.12
  5. Step 5: Solve for x
    x = 316,508,595,794,173.12/20,487,563.43
  6. Step 6: Final answer
    x = 15,448,815.90

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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.