Finding the Fourth Proportional to 6,766,509.08, 9,336,922.12 and 3,866,087.81
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Solution
The fourth proportional to 6,766,509.08, 9,336,922.12 and 3,866,087.81 is: 5,334,709.58
Step by Step Solution
- Step 1: Write the proportion equation
6,766,509.08 : 9,336,922.12 = 3,866,087.81 : x - Step 2: Convert to fraction form
6,766,509.08/9,336,922.12 = 3,866,087.81/x - Step 3: Cross multiply
6,766,509.08x = 9,336,922.12 × 3,866,087.81 - Step 4: Simplify right side
6,766,509.08x = 36,097,360,791,051.35 - Step 5: Solve for x
x = 36,097,360,791,051.35/6,766,509.08 - Step 6: Final answer
x = 5,334,709.58
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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.