Home / 31,630,586.40-47,351,401.20-18,844,509.60

Finding the Fourth Proportional to 31,630,586.40, 47,351,401.20 and 18,844,509.60

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Solution

The fourth proportional to 31,630,586.40, 47,351,401.20 and 18,844,509.60 is: 28,210,477.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,630,586.40 : 47,351,401.20 = 18,844,509.60 : x
  2. Step 2: Convert to fraction form
    31,630,586.40/47,351,401.20 = 18,844,509.60/x
  3. Step 3: Cross multiply
    31,630,586.40x = 47,351,401.20 × 18,844,509.60
  4. Step 4: Simplify right side
    31,630,586.40x = 892,313,934,486,851.62
  5. Step 5: Solve for x
    x = 892,313,934,486,851.62/31,630,586.40
  6. Step 6: Final answer
    x = 28,210,477.14

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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.