Home / 9,291,736.65-13,923,990.90-8,332,190.40

Finding the Fourth Proportional to 9,291,736.65, 13,923,990.90 and 8,332,190.40

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Solution

The fourth proportional to 9,291,736.65, 13,923,990.90 and 8,332,190.40 is: 12,486,077.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291,736.65 : 13,923,990.90 = 8,332,190.40 : x
  2. Step 2: Convert to fraction form
    9,291,736.65/13,923,990.90 = 8,332,190.40/x
  3. Step 3: Cross multiply
    9,291,736.65x = 13,923,990.90 × 8,332,190.40
  4. Step 4: Simplify right side
    9,291,736.65x = 116,017,343,306,667.38
  5. Step 5: Solve for x
    x = 116,017,343,306,667.38/9,291,736.65
  6. Step 6: Final answer
    x = 12,486,077.43

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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.