Home / 38,583,672.60-53,245,257.96-21,180,313.92

Finding the Fourth Proportional to 38,583,672.60, 53,245,257.96 and 21,180,313.92

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Solution

The fourth proportional to 38,583,672.60, 53,245,257.96 and 21,180,313.92 is: 29,228,717.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,583,672.60 : 53,245,257.96 = 21,180,313.92 : x
  2. Step 2: Convert to fraction form
    38,583,672.60/53,245,257.96 = 21,180,313.92/x
  3. Step 3: Cross multiply
    38,583,672.60x = 53,245,257.96 × 21,180,313.92
  4. Step 4: Simplify right side
    38,583,672.60x = 1,127,751,278,344,179
  5. Step 5: Solve for x
    x = 1,127,751,278,344,179/38,583,672.60
  6. Step 6: Final answer
    x = 29,228,717.81

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1.5x scale

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.