Finding the Fourth Proportional to 11,778,731.80, 17,654,975.70 and 4,587,875.80
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Solution
The fourth proportional to 11,778,731.80, 17,654,975.70 and 4,587,875.80 is: 6,876,702.61
Step by Step Solution
- Step 1: Write the proportion equation
11,778,731.80 : 17,654,975.70 = 4,587,875.80 : x - Step 2: Convert to fraction form
11,778,731.80/17,654,975.70 = 4,587,875.80/x - Step 3: Cross multiply
11,778,731.80x = 17,654,975.70 × 4,587,875.80 - Step 4: Simplify right side
11,778,731.80x = 80,998,835,763,618.05 - Step 5: Solve for x
x = 80,998,835,763,618.05/11,778,731.80 - Step 6: Final answer
x = 6,876,702.61
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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.