Home / 10,806,769.08-16,216,518.24-3,988,140.48

Finding the Fourth Proportional to 10,806,769.08, 16,216,518.24 and 3,988,140.48

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Solution

The fourth proportional to 10,806,769.08, 16,216,518.24 and 3,988,140.48 is: 5,984,559.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,806,769.08 : 16,216,518.24 = 3,988,140.48 : x
  2. Step 2: Convert to fraction form
    10,806,769.08/16,216,518.24 = 3,988,140.48/x
  3. Step 3: Cross multiply
    10,806,769.08x = 16,216,518.24 × 3,988,140.48
  4. Step 4: Simplify right side
    10,806,769.08x = 64,673,752,837,602.36
  5. Step 5: Solve for x
    x = 64,673,752,837,602.36/10,806,769.08
  6. Step 6: Final answer
    x = 5,984,559.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.