Home / 8,020,887.47-11,056,579.47-4,917,665.69

Finding the Fourth Proportional to 8,020,887.47, 11,056,579.47 and 4,917,665.69

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Solution

The fourth proportional to 8,020,887.47, 11,056,579.47 and 4,917,665.69 is: 6,778,871.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020,887.47 : 11,056,579.47 = 4,917,665.69 : x
  2. Step 2: Convert to fraction form
    8,020,887.47/11,056,579.47 = 4,917,665.69/x
  3. Step 3: Cross multiply
    8,020,887.47x = 11,056,579.47 × 4,917,665.69
  4. Step 4: Simplify right side
    8,020,887.47x = 54,372,561,508,377.39
  5. Step 5: Solve for x
    x = 54,372,561,508,377.39/8,020,887.47
  6. Step 6: Final answer
    x = 6,778,871.01

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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.