Finding the Fourth Proportional to 11,102,605.92, 15,316,903.68 and 7,432,704.48
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Solution
The fourth proportional to 11,102,605.92, 15,316,903.68 and 7,432,704.48 is: 10,253,990.77
Step by Step Solution
- Step 1: Write the proportion equation
11,102,605.92 : 15,316,903.68 = 7,432,704.48 : x - Step 2: Convert to fraction form
11,102,605.92/15,316,903.68 = 7,432,704.48/x - Step 3: Cross multiply
11,102,605.92x = 15,316,903.68 × 7,432,704.48 - Step 4: Simplify right side
11,102,605.92x = 113,846,018,602,064.48 - Step 5: Solve for x
x = 113,846,018,602,064.48/11,102,605.92 - Step 6: Final answer
x = 10,253,990.77
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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.