Home / 5,340,466.40-8,010,699.60-3,912,792.80

Finding the Fourth Proportional to 5,340,466.40, 8,010,699.60 and 3,912,792.80

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Solution

The fourth proportional to 5,340,466.40, 8,010,699.60 and 3,912,792.80 is: 5,869,189.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,340,466.40 : 8,010,699.60 = 3,912,792.80 : x
  2. Step 2: Convert to fraction form
    5,340,466.40/8,010,699.60 = 3,912,792.80/x
  3. Step 3: Cross multiply
    5,340,466.40x = 8,010,699.60 × 3,912,792.80
  4. Step 4: Simplify right side
    5,340,466.40x = 31,344,207,717,842.88
  5. Step 5: Solve for x
    x = 31,344,207,717,842.88/5,340,466.40
  6. Step 6: Final answer
    x = 5,869,189.20

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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.