Home / 11,109,654.10-16,632,004.20-7,921,008.10

Finding the Fourth Proportional to 11,109,654.10, 16,632,004.20 and 7,921,008.10

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Solution

The fourth proportional to 11,109,654.10, 16,632,004.20 and 7,921,008.10 is: 11,858,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,109,654.10 : 16,632,004.20 = 7,921,008.10 : x
  2. Step 2: Convert to fraction form
    11,109,654.10/16,632,004.20 = 7,921,008.10/x
  3. Step 3: Cross multiply
    11,109,654.10x = 16,632,004.20 × 7,921,008.10
  4. Step 4: Simplify right side
    11,109,654.10x = 131,742,239,987,434.02
  5. Step 5: Solve for x
    x = 131,742,239,987,434.02/11,109,654.10
  6. Step 6: Final answer
    x = 11,858,356.60

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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.