Home / 38,688,376.60-57,948,584.10-31,969,912.60

Finding the Fourth Proportional to 38,688,376.60, 57,948,584.10 and 31,969,912.60

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Solution

The fourth proportional to 38,688,376.60, 57,948,584.10 and 31,969,912.60 is: 47,885,471.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,688,376.60 : 57,948,584.10 = 31,969,912.60 : x
  2. Step 2: Convert to fraction form
    38,688,376.60/57,948,584.10 = 31,969,912.60/x
  3. Step 3: Cross multiply
    38,688,376.60x = 57,948,584.10 × 31,969,912.60
  4. Step 4: Simplify right side
    38,688,376.60x = 1,852,611,168,970,749.75
  5. Step 5: Solve for x
    x = 1,852,611,168,970,749.75/38,688,376.60
  6. Step 6: Final answer
    x = 47,885,471.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.