Home / 10,420,755.95-14,380,727.66-5,774,618.60

Finding the Fourth Proportional to 10,420,755.95, 14,380,727.66 and 5,774,618.60

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Solution

The fourth proportional to 10,420,755.95, 14,380,727.66 and 5,774,618.60 is: 7,969,020.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,420,755.95 : 14,380,727.66 = 5,774,618.60 : x
  2. Step 2: Convert to fraction form
    10,420,755.95/14,380,727.66 = 5,774,618.60/x
  3. Step 3: Cross multiply
    10,420,755.95x = 14,380,727.66 × 5,774,618.60
  4. Step 4: Simplify right side
    10,420,755.95x = 83,043,217,401,776.28
  5. Step 5: Solve for x
    x = 83,043,217,401,776.28/10,420,755.95
  6. Step 6: Final answer
    x = 7,969,020.46

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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.