Home / 6,378,172.48-8,801,946.72-3,477,539.68

Finding the Fourth Proportional to 6,378,172.48, 8,801,946.72 and 3,477,539.68

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Solution

The fourth proportional to 6,378,172.48, 8,801,946.72 and 3,477,539.68 is: 4,799,042.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378,172.48 : 8,801,946.72 = 3,477,539.68 : x
  2. Step 2: Convert to fraction form
    6,378,172.48/8,801,946.72 = 3,477,539.68/x
  3. Step 3: Cross multiply
    6,378,172.48x = 8,801,946.72 × 3,477,539.68
  4. Step 4: Simplify right side
    6,378,172.48x = 30,609,118,980,045.85
  5. Step 5: Solve for x
    x = 30,609,118,980,045.85/6,378,172.48
  6. Step 6: Final answer
    x = 4,799,042.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.