Home / 38,469,766.56-53,086,683.49-21,065,811.90

Finding the Fourth Proportional to 38,469,766.56, 53,086,683.49 and 21,065,811.90

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Solution

The fourth proportional to 38,469,766.56, 53,086,683.49 and 21,065,811.90 is: 29,069,947.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,469,766.56 : 53,086,683.49 = 21,065,811.90 : x
  2. Step 2: Convert to fraction form
    38,469,766.56/53,086,683.49 = 21,065,811.90/x
  3. Step 3: Cross multiply
    38,469,766.56x = 53,086,683.49 × 21,065,811.90
  4. Step 4: Simplify right side
    38,469,766.56x = 1,118,314,088,742,510.88
  5. Step 5: Solve for x
    x = 1,118,314,088,742,510.88/38,469,766.56
  6. Step 6: Final answer
    x = 29,069,947.36

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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.