Home / 19,483,090.80-29,224,636.20-13,809,721.20

Finding the Fourth Proportional to 19,483,090.80, 29,224,636.20 and 13,809,721.20

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Solution

The fourth proportional to 19,483,090.80, 29,224,636.20 and 13,809,721.20 is: 20,714,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,483,090.80 : 29,224,636.20 = 13,809,721.20 : x
  2. Step 2: Convert to fraction form
    19,483,090.80/29,224,636.20 = 13,809,721.20/x
  3. Step 3: Cross multiply
    19,483,090.80x = 29,224,636.20 × 13,809,721.20
  4. Step 4: Simplify right side
    19,483,090.80x = 403,584,078,093,427.44
  5. Step 5: Solve for x
    x = 403,584,078,093,427.44/19,483,090.80
  6. Step 6: Final answer
    x = 20,714,581.80

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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.