Finding the Fourth Proportional to 10,778,120.24, 16,153,177.08 and 4,380,921.68
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Solution
The fourth proportional to 10,778,120.24, 16,153,177.08 and 4,380,921.68 is: 6,565,690.69
Step by Step Solution
- Step 1: Write the proportion equation
10,778,120.24 : 16,153,177.08 = 4,380,921.68 : x - Step 2: Convert to fraction form
10,778,120.24/16,153,177.08 = 4,380,921.68/x - Step 3: Cross multiply
10,778,120.24x = 16,153,177.08 × 4,380,921.68 - Step 4: Simplify right side
10,778,120.24x = 70,765,803,670,651.09 - Step 5: Solve for x
x = 70,765,803,670,651.09/10,778,120.24 - Step 6: Final answer
x = 6,565,690.69
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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.