Home / 8,516,661.51-11,723,161.32-7,427,010.63

Finding the Fourth Proportional to 8,516,661.51, 11,723,161.32 and 7,427,010.63

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Solution

The fourth proportional to 8,516,661.51, 11,723,161.32 and 7,427,010.63 is: 10,223,259.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,516,661.51 : 11,723,161.32 = 7,427,010.63 : x
  2. Step 2: Convert to fraction form
    8,516,661.51/11,723,161.32 = 7,427,010.63/x
  3. Step 3: Cross multiply
    8,516,661.51x = 11,723,161.32 × 7,427,010.63
  4. Step 4: Simplify right side
    8,516,661.51x = 87,068,043,740,844.83
  5. Step 5: Solve for x
    x = 87,068,043,740,844.83/8,516,661.51
  6. Step 6: Final answer
    x = 10,223,259.86

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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.