Finding the Fourth Proportional to 11,763,983.70, 17,645,990.13 and 3,677,000.81
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Solution
The fourth proportional to 11,763,983.70, 17,645,990.13 and 3,677,000.81 is: 5,515,505.76
Step by Step Solution
- Step 1: Write the proportion equation
11,763,983.70 : 17,645,990.13 = 3,677,000.81 : x - Step 2: Convert to fraction form
11,763,983.70/17,645,990.13 = 3,677,000.81/x - Step 3: Cross multiply
11,763,983.70x = 17,645,990.13 × 3,677,000.81 - Step 4: Simplify right side
11,763,983.70x = 64,884,319,913,032.05 - Step 5: Solve for x
x = 64,884,319,913,032.05/11,763,983.70 - Step 6: Final answer
x = 5,515,505.76
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.