Home / 13,857,548.96-20,784,986.12-4,270,353.32

Finding the Fourth Proportional to 13,857,548.96, 20,784,986.12 and 4,270,353.32

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Solution

The fourth proportional to 13,857,548.96, 20,784,986.12 and 4,270,353.32 is: 6,405,117.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,857,548.96 : 20,784,986.12 = 4,270,353.32 : x
  2. Step 2: Convert to fraction form
    13,857,548.96/20,784,986.12 = 4,270,353.32/x
  3. Step 3: Cross multiply
    13,857,548.96x = 20,784,986.12 × 4,270,353.32
  4. Step 4: Simplify right side
    13,857,548.96x = 88,759,234,483,695.92
  5. Step 5: Solve for x
    x = 88,759,234,483,695.92/13,857,548.96
  6. Step 6: Final answer
    x = 6,405,117.87

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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.