Home / 12,748,916.41-17,593,057.78-6,947,579.77

Finding the Fourth Proportional to 12,748,916.41, 17,593,057.78 and 6,947,579.77

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Solution

The fourth proportional to 12,748,916.41, 17,593,057.78 and 6,947,579.77 is: 9,587,416.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,748,916.41 : 17,593,057.78 = 6,947,579.77 : x
  2. Step 2: Convert to fraction form
    12,748,916.41/17,593,057.78 = 6,947,579.77/x
  3. Step 3: Cross multiply
    12,748,916.41x = 17,593,057.78 × 6,947,579.77
  4. Step 4: Simplify right side
    12,748,916.41x = 122,229,172,324,769.11
  5. Step 5: Solve for x
    x = 122,229,172,324,769.11/12,748,916.41
  6. Step 6: Final answer
    x = 9,587,416.56

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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.