Home / 9,181,783.20-13,740,015.60-7,996,720.80

Finding the Fourth Proportional to 9,181,783.20, 13,740,015.60 and 7,996,720.80

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Solution

The fourth proportional to 9,181,783.20, 13,740,015.60 and 7,996,720.80 is: 11,966,637.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181,783.20 : 13,740,015.60 = 7,996,720.80 : x
  2. Step 2: Convert to fraction form
    9,181,783.20/13,740,015.60 = 7,996,720.80/x
  3. Step 3: Cross multiply
    9,181,783.20x = 13,740,015.60 × 7,996,720.80
  4. Step 4: Simplify right side
    9,181,783.20x = 109,875,068,540,844.47
  5. Step 5: Solve for x
    x = 109,875,068,540,844.47/9,181,783.20
  6. Step 6: Final answer
    x = 11,966,637.21

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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.