Home / 20,117,300,612.40-27,760,623,966.96-11,084,553,236.58

Finding the Fourth Proportional to 20,117,300,612.40, 27,760,623,966.96 and 11,084,553,236.58

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Solution

The fourth proportional to 20,117,300,612.40, 27,760,623,966.96 and 11,084,553,236.58 is: 15,295,994,237.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,117,300,612.40 : 27,760,623,966.96 = 11,084,553,236.58 : x
  2. Step 2: Convert to fraction form
    20,117,300,612.40/27,760,623,966.96 = 11,084,553,236.58/x
  3. Step 3: Cross multiply
    20,117,300,612.40x = 27,760,623,966.96 × 11,084,553,236.58
  4. Step 4: Simplify right side
    20,117,300,612.40x = 307,714,114,242,446,753,792
  5. Step 5: Solve for x
    x = 307,714,114,242,446,753,792/20,117,300,612.40
  6. Step 6: Final answer
    x = 15,295,994,237.56

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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.