Home / 7,459,874.78-11,189,775.24-6,445,911.20

Finding the Fourth Proportional to 7,459,874.78, 11,189,775.24 and 6,445,911.20

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Solution

The fourth proportional to 7,459,874.78, 11,189,775.24 and 6,445,911.20 is: 9,668,834.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459,874.78 : 11,189,775.24 = 6,445,911.20 : x
  2. Step 2: Convert to fraction form
    7,459,874.78/11,189,775.24 = 6,445,911.20/x
  3. Step 3: Cross multiply
    7,459,874.78x = 11,189,775.24 × 6,445,911.20
  4. Step 4: Simplify right side
    7,459,874.78x = 72,128,297,489,049.81
  5. Step 5: Solve for x
    x = 72,128,297,489,049.81/7,459,874.78
  6. Step 6: Final answer
    x = 9,668,834.89

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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.