Home / 31,630,532.40-47,351,320.20-18,844,455.60

Finding the Fourth Proportional to 31,630,532.40, 47,351,320.20 and 18,844,455.60

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Solution

The fourth proportional to 31,630,532.40, 47,351,320.20 and 18,844,455.60 is: 28,210,396.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,630,532.40 : 47,351,320.20 = 18,844,455.60 : x
  2. Step 2: Convert to fraction form
    31,630,532.40/47,351,320.20 = 18,844,455.60/x
  3. Step 3: Cross multiply
    31,630,532.40x = 47,351,320.20 × 18,844,455.60
  4. Step 4: Simplify right side
    31,630,532.40x = 892,309,851,110,283.25
  5. Step 5: Solve for x
    x = 892,309,851,110,283.25/31,630,532.40
  6. Step 6: Final answer
    x = 28,210,396.20

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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.