Home / 31,984,910.40-47,977,365.60-31,347,181.20

Finding the Fourth Proportional to 31,984,910.40, 47,977,365.60 and 31,347,181.20

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Solution

The fourth proportional to 31,984,910.40, 47,977,365.60 and 31,347,181.20 is: 47,020,771.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,984,910.40 : 47,977,365.60 = 31,347,181.20 : x
  2. Step 2: Convert to fraction form
    31,984,910.40/47,977,365.60 = 31,347,181.20/x
  3. Step 3: Cross multiply
    31,984,910.40x = 47,977,365.60 × 31,347,181.20
  4. Step 4: Simplify right side
    31,984,910.40x = 1,503,955,172,961,846.75
  5. Step 5: Solve for x
    x = 1,503,955,172,961,846.75/31,984,910.40
  6. Step 6: Final answer
    x = 47,020,771.80

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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.