Home / 13,150,655.94-18,147,564.90-7,349,485.35

Finding the Fourth Proportional to 13,150,655.94, 18,147,564.90 and 7,349,485.35

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Solution

The fourth proportional to 13,150,655.94, 18,147,564.90 and 7,349,485.35 is: 10,142,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,150,655.94 : 18,147,564.90 = 7,349,485.35 : x
  2. Step 2: Convert to fraction form
    13,150,655.94/18,147,564.90 = 7,349,485.35/x
  3. Step 3: Cross multiply
    13,150,655.94x = 18,147,564.90 × 7,349,485.35
  4. Step 4: Simplify right side
    13,150,655.94x = 133,375,262,370,724.20
  5. Step 5: Solve for x
    x = 133,375,262,370,724.20/13,150,655.94
  6. Step 6: Final answer
    x = 10,142,099.60

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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.