Home / 13,745,270.04-18,952,928.28-8,777,178.78

Finding the Fourth Proportional to 13,745,270.04, 18,952,928.28 and 8,777,178.78

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Solution

The fourth proportional to 13,745,270.04, 18,952,928.28 and 8,777,178.78 is: 12,102,580.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,745,270.04 : 18,952,928.28 = 8,777,178.78 : x
  2. Step 2: Convert to fraction form
    13,745,270.04/18,952,928.28 = 8,777,178.78/x
  3. Step 3: Cross multiply
    13,745,270.04x = 18,952,928.28 × 8,777,178.78
  4. Step 4: Simplify right side
    13,745,270.04x = 166,353,239,918,077.91
  5. Step 5: Solve for x
    x = 166,353,239,918,077.91/13,745,270.04
  6. Step 6: Final answer
    x = 12,102,580.70

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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.