Home / 20,648,624.48-30,970,918.56-6,271,817.12

Finding the Fourth Proportional to 20,648,624.48, 30,970,918.56 and 6,271,817.12

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Solution

The fourth proportional to 20,648,624.48, 30,970,918.56 and 6,271,817.12 is: 9,407,112.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,648,624.48 : 30,970,918.56 = 6,271,817.12 : x
  2. Step 2: Convert to fraction form
    20,648,624.48/30,970,918.56 = 6,271,817.12/x
  3. Step 3: Cross multiply
    20,648,624.48x = 30,970,918.56 × 6,271,817.12
  4. Step 4: Simplify right side
    20,648,624.48x = 194,243,937,246,733.75
  5. Step 5: Solve for x
    x = 194,243,937,246,733.75/20,648,624.48
  6. Step 6: Final answer
    x = 9,407,112.68

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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.