Finding the Fourth Proportional to 7,177,968.44, 9,903,095.14 and 4,601,070.12
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Solution
The fourth proportional to 7,177,968.44, 9,903,095.14 and 4,601,070.12 is: 6,347,873.43
Step by Step Solution
- Step 1: Write the proportion equation
7,177,968.44 : 9,903,095.14 = 4,601,070.12 : x - Step 2: Convert to fraction form
7,177,968.44/9,903,095.14 = 4,601,070.12/x - Step 3: Cross multiply
7,177,968.44x = 9,903,095.14 × 4,601,070.12 - Step 4: Simplify right side
7,177,968.44x = 45,564,835,144,171.22 - Step 5: Solve for x
x = 45,564,835,144,171.22/7,177,968.44 - Step 6: Final answer
x = 6,347,873.43
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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.