Home / 20,648,630.48-30,970,927.56-6,271,823.12

Finding the Fourth Proportional to 20,648,630.48, 30,970,927.56 and 6,271,823.12

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Solution

The fourth proportional to 20,648,630.48, 30,970,927.56 and 6,271,823.12 is: 9,407,121.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,648,630.48 : 30,970,927.56 = 6,271,823.12 : x
  2. Step 2: Convert to fraction form
    20,648,630.48/30,970,927.56 = 6,271,823.12/x
  3. Step 3: Cross multiply
    20,648,630.48x = 30,970,927.56 × 6,271,823.12
  4. Step 4: Simplify right side
    20,648,630.48x = 194,244,179,518,653.19
  5. Step 5: Solve for x
    x = 194,244,179,518,653.19/20,648,630.48
  6. Step 6: Final answer
    x = 9,407,121.68

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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.