Home / 7,884,636.72-10,883,125.66-4,622,157.60

Finding the Fourth Proportional to 7,884,636.72, 10,883,125.66 and 4,622,157.60

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Solution

The fourth proportional to 7,884,636.72, 10,883,125.66 and 4,622,157.60 is: 6,379,941.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884,636.72 : 10,883,125.66 = 4,622,157.60 : x
  2. Step 2: Convert to fraction form
    7,884,636.72/10,883,125.66 = 4,622,157.60/x
  3. Step 3: Cross multiply
    7,884,636.72x = 10,883,125.66 × 4,622,157.60
  4. Step 4: Simplify right side
    7,884,636.72x = 50,303,521,981,124.02
  5. Step 5: Solve for x
    x = 50,303,521,981,124.02/7,884,636.72
  6. Step 6: Final answer
    x = 6,379,941.62

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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.