Home / 39,210,766.42-54,112,350.58-21,808,370.02

Finding the Fourth Proportional to 39,210,766.42, 54,112,350.58 and 21,808,370.02

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Solution

The fourth proportional to 39,210,766.42, 54,112,350.58 and 21,808,370.02 is: 30,096,380.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,210,766.42 : 54,112,350.58 = 21,808,370.02 : x
  2. Step 2: Convert to fraction form
    39,210,766.42/54,112,350.58 = 21,808,370.02/x
  3. Step 3: Cross multiply
    39,210,766.42x = 54,112,350.58 × 21,808,370.02
  4. Step 4: Simplify right side
    39,210,766.42x = 1,180,102,164,100,601.50
  5. Step 5: Solve for x
    x = 1,180,102,164,100,601.50/39,210,766.42
  6. Step 6: Final answer
    x = 30,096,380.96

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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.