Home / 20,487,563.34-28,272,495.91-11,194,929.26

Finding the Fourth Proportional to 20,487,563.34, 28,272,495.91 and 11,194,929.26

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Solution

The fourth proportional to 20,487,563.34, 28,272,495.91 and 11,194,929.26 is: 15,448,815.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,487,563.34 : 28,272,495.91 = 11,194,929.26 : x
  2. Step 2: Convert to fraction form
    20,487,563.34/28,272,495.91 = 11,194,929.26/x
  3. Step 3: Cross multiply
    20,487,563.34x = 28,272,495.91 × 11,194,929.26
  4. Step 4: Simplify right side
    20,487,563.34x = 316,508,591,758,783.19
  5. Step 5: Solve for x
    x = 316,508,591,758,783.19/20,487,563.34
  6. Step 6: Final answer
    x = 15,448,815.78

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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.