Home / 11,742,979.20-17,631,057.60-7,264,003.20

Finding the Fourth Proportional to 11,742,979.20, 17,631,057.60 and 7,264,003.20

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Solution

The fourth proportional to 11,742,979.20, 17,631,057.60 and 7,264,003.20 is: 10,906,266.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742,979.20 : 17,631,057.60 = 7,264,003.20 : x
  2. Step 2: Convert to fraction form
    11,742,979.20/17,631,057.60 = 7,264,003.20/x
  3. Step 3: Cross multiply
    11,742,979.20x = 17,631,057.60 × 7,264,003.20
  4. Step 4: Simplify right side
    11,742,979.20x = 128,072,058,825,784.33
  5. Step 5: Solve for x
    x = 128,072,058,825,784.33/11,742,979.20
  6. Step 6: Final answer
    x = 10,906,266.34

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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.