Home / 9,168,134.48-12,646,757.11-5,724,396.80

Finding the Fourth Proportional to 9,168,134.48, 12,646,757.11 and 5,724,396.80

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Solution

The fourth proportional to 9,168,134.48, 12,646,757.11 and 5,724,396.80 is: 7,896,378.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,168,134.48 : 12,646,757.11 = 5,724,396.80 : x
  2. Step 2: Convert to fraction form
    9,168,134.48/12,646,757.11 = 5,724,396.80/x
  3. Step 3: Cross multiply
    9,168,134.48x = 12,646,757.11 × 5,724,396.80
  4. Step 4: Simplify right side
    9,168,134.48x = 72,395,055,867,627.45
  5. Step 5: Solve for x
    x = 72,395,055,867,627.45/9,168,134.48
  6. Step 6: Final answer
    x = 7,896,378.05

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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.