Home / 8,635,569.57-11,912,090.25-5,579,783.82

Finding the Fourth Proportional to 8,635,569.57, 11,912,090.25 and 5,579,783.82

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Solution

The fourth proportional to 8,635,569.57, 11,912,090.25 and 5,579,783.82 is: 7,696,873.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635,569.57 : 11,912,090.25 = 5,579,783.82 : x
  2. Step 2: Convert to fraction form
    8,635,569.57/11,912,090.25 = 5,579,783.82/x
  3. Step 3: Cross multiply
    8,635,569.57x = 11,912,090.25 × 5,579,783.82
  4. Step 4: Simplify right side
    8,635,569.57x = 66,466,888,478,060.77
  5. Step 5: Solve for x
    x = 66,466,888,478,060.77/8,635,569.57
  6. Step 6: Final answer
    x = 7,696,873.72

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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.