Home / 12,550,132.40-18,837,640.20-6,167,591.60

Finding the Fourth Proportional to 12,550,132.40, 18,837,640.20 and 6,167,591.60

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Solution

The fourth proportional to 12,550,132.40, 18,837,640.20 and 6,167,591.60 is: 9,257,501.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550,132.40 : 18,837,640.20 = 6,167,591.60 : x
  2. Step 2: Convert to fraction form
    12,550,132.40/18,837,640.20 = 6,167,591.60/x
  3. Step 3: Cross multiply
    12,550,132.40x = 18,837,640.20 × 6,167,591.60
  4. Step 4: Simplify right side
    12,550,132.40x = 116,182,871,461,342.31
  5. Step 5: Solve for x
    x = 116,182,871,461,342.31/12,550,132.40
  6. Step 6: Final answer
    x = 9,257,501.65

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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.