Home / 31,456,169.40-47,089,775.70-18,670,092.60

Finding the Fourth Proportional to 31,456,169.40, 47,089,775.70 and 18,670,092.60

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Solution

The fourth proportional to 31,456,169.40, 47,089,775.70 and 18,670,092.60 is: 27,949,063.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,456,169.40 : 47,089,775.70 = 18,670,092.60 : x
  2. Step 2: Convert to fraction form
    31,456,169.40/47,089,775.70 = 18,670,092.60/x
  3. Step 3: Cross multiply
    31,456,169.40x = 47,089,775.70 × 18,670,092.60
  4. Step 4: Simplify right side
    31,456,169.40x = 879,170,472,832,230
  5. Step 5: Solve for x
    x = 879,170,472,832,230/31,456,169.40
  6. Step 6: Final answer
    x = 27,949,063.40

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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.