Finding the Fourth Proportional to 11,292,428.11, 16,929,120.20 and 4,897,864.48
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Solution
The fourth proportional to 11,292,428.11, 16,929,120.20 and 4,897,864.48 is: 7,342,666.76
Step by Step Solution
- Step 1: Write the proportion equation
11,292,428.11 : 16,929,120.20 = 4,897,864.48 : x - Step 2: Convert to fraction form
11,292,428.11/16,929,120.20 = 4,897,864.48/x - Step 3: Cross multiply
11,292,428.11x = 16,929,120.20 × 4,897,864.48 - Step 4: Simplify right side
11,292,428.11x = 82,916,536,475,152.36 - Step 5: Solve for x
x = 82,916,536,475,152.36/11,292,428.11 - Step 6: Final answer
x = 7,342,666.76
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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.