Home / 11,665,820.36-16,094,342.01-7,307,318.90

Finding the Fourth Proportional to 11,665,820.36, 16,094,342.01 and 7,307,318.90

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Solution

The fourth proportional to 11,665,820.36, 16,094,342.01 and 7,307,318.90 is: 10,081,287.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,665,820.36 : 16,094,342.01 = 7,307,318.90 : x
  2. Step 2: Convert to fraction form
    11,665,820.36/16,094,342.01 = 7,307,318.90/x
  3. Step 3: Cross multiply
    11,665,820.36x = 16,094,342.01 × 7,307,318.90
  4. Step 4: Simplify right side
    11,665,820.36x = 117,606,489,552,737
  5. Step 5: Solve for x
    x = 117,606,489,552,737/11,665,820.36
  6. Step 6: Final answer
    x = 10,081,287.55

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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.