Home / 31,984,904.40-47,977,356.60-31,347,175.20

Finding the Fourth Proportional to 31,984,904.40, 47,977,356.60 and 31,347,175.20

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Solution

The fourth proportional to 31,984,904.40, 47,977,356.60 and 31,347,175.20 is: 47,020,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,984,904.40 : 47,977,356.60 = 31,347,175.20 : x
  2. Step 2: Convert to fraction form
    31,984,904.40/47,977,356.60 = 31,347,175.20/x
  3. Step 3: Cross multiply
    31,984,904.40x = 47,977,356.60 × 31,347,175.20
  4. Step 4: Simplify right side
    31,984,904.40x = 1,503,954,602,973,076.25
  5. Step 5: Solve for x
    x = 1,503,954,602,973,076.25/31,984,904.40
  6. Step 6: Final answer
    x = 47,020,762.80

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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.