Home / 39,029,736.65-53,861,099.87-21,385,835.47

Finding the Fourth Proportional to 39,029,736.65, 53,861,099.87 and 21,385,835.47

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Solution

The fourth proportional to 39,029,736.65, 53,861,099.87 and 21,385,835.47 is: 29,512,487.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,029,736.65 : 53,861,099.87 = 21,385,835.47 : x
  2. Step 2: Convert to fraction form
    39,029,736.65/53,861,099.87 = 21,385,835.47/x
  3. Step 3: Cross multiply
    39,029,736.65x = 53,861,099.87 × 21,385,835.47
  4. Step 4: Simplify right side
    39,029,736.65x = 1,151,864,619,870,934.75
  5. Step 5: Solve for x
    x = 1,151,864,619,870,934.75/39,029,736.65
  6. Step 6: Final answer
    x = 29,512,487.63

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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.