Finding the Fourth Proportional to 7,175,573.29, 10,768,403.72 and 6,489,516.18
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Solution
The fourth proportional to 7,175,573.29, 10,768,403.72 and 6,489,516.18 is: 9,738,835.82
Step by Step Solution
- Step 1: Write the proportion equation
7,175,573.29 : 10,768,403.72 = 6,489,516.18 : x - Step 2: Convert to fraction form
7,175,573.29/10,768,403.72 = 6,489,516.18/x - Step 3: Cross multiply
7,175,573.29x = 10,768,403.72 × 6,489,516.18 - Step 4: Simplify right side
7,175,573.29x = 69,881,730,173,712.19 - Step 5: Solve for x
x = 69,881,730,173,712.19/7,175,573.29 - Step 6: Final answer
x = 9,738,835.82
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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.