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Finding the Fourth Proportional to 11,754,009.60, 17,597,836.80 and 11,754,009.60

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Solution

The fourth proportional to 11,754,009.60, 17,597,836.80 and 11,754,009.60 is: 17,597,836.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,754,009.60 : 17,597,836.80 = 11,754,009.60 : x
  2. Step 2: Convert to fraction form
    11,754,009.60/17,597,836.80 = 11,754,009.60/x
  3. Step 3: Cross multiply
    11,754,009.60x = 17,597,836.80 × 11,754,009.60
  4. Step 4: Simplify right side
    11,754,009.60x = 206,845,142,686,433.28
  5. Step 5: Solve for x
    x = 206,845,142,686,433.28/11,754,009.60
  6. Step 6: Final answer
    x = 17,597,836.80

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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.