Home / 19,647,015-27,114,714.54-11,498,259.48

Finding the Fourth Proportional to 19,647,015, 27,114,714.54 and 11,498,259.48

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Solution

The fourth proportional to 19,647,015, 27,114,714.54 and 11,498,259.48 is: 15,868,671.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,647,015 : 27,114,714.54 = 11,498,259.48 : x
  2. Step 2: Convert to fraction form
    19,647,015/27,114,714.54 = 11,498,259.48/x
  3. Step 3: Cross multiply
    19,647,015x = 27,114,714.54 × 11,498,259.48
  4. Step 4: Simplify right side
    19,647,015x = 311,772,023,507,048.81
  5. Step 5: Solve for x
    x = 311,772,023,507,048.81/19,647,015
  6. Step 6: Final answer
    x = 15,868,671.32

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Double scale
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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.