Home / 38,649,683.61-53,336,736.23-21,247,150.05

Finding the Fourth Proportional to 38,649,683.61, 53,336,736.23 and 21,247,150.05

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Solution

The fourth proportional to 38,649,683.61, 53,336,736.23 and 21,247,150.05 is: 29,321,162.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,649,683.61 : 53,336,736.23 = 21,247,150.05 : x
  2. Step 2: Convert to fraction form
    38,649,683.61/53,336,736.23 = 21,247,150.05/x
  3. Step 3: Cross multiply
    38,649,683.61x = 53,336,736.23 × 21,247,150.05
  4. Step 4: Simplify right side
    38,649,683.61x = 1,133,253,637,749,845.75
  5. Step 5: Solve for x
    x = 1,133,253,637,749,845.75/38,649,683.61
  6. Step 6: Final answer
    x = 29,321,162.09

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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.