Home / 9,320,728.07-13,981,590.33-2,931,478.65

Finding the Fourth Proportional to 9,320,728.07, 13,981,590.33 and 2,931,478.65

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Solution

The fourth proportional to 9,320,728.07, 13,981,590.33 and 2,931,478.65 is: 4,397,374.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320,728.07 : 13,981,590.33 = 2,931,478.65 : x
  2. Step 2: Convert to fraction form
    9,320,728.07/13,981,590.33 = 2,931,478.65/x
  3. Step 3: Cross multiply
    9,320,728.07x = 13,981,590.33 × 2,931,478.65
  4. Step 4: Simplify right side
    9,320,728.07x = 40,986,733,545,441.45
  5. Step 5: Solve for x
    x = 40,986,733,545,441.45/9,320,728.07
  6. Step 6: Final answer
    x = 4,397,374.67

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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.