Finding the Fourth Proportional to 6,656,656.54, 9,183,720.45 and 4,918,516.42
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Solution
The fourth proportional to 6,656,656.54, 9,183,720.45 and 4,918,516.42 is: 6,785,730.88
Step by Step Solution
- Step 1: Write the proportion equation
6,656,656.54 : 9,183,720.45 = 4,918,516.42 : x - Step 2: Convert to fraction form
6,656,656.54/9,183,720.45 = 4,918,516.42/x - Step 3: Cross multiply
6,656,656.54x = 9,183,720.45 × 4,918,516.42 - Step 4: Simplify right side
6,656,656.54x = 45,170,279,830,014.78 - Step 5: Solve for x
x = 45,170,279,830,014.78/6,656,656.54 - Step 6: Final answer
x = 6,785,730.88
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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.