Finding the Fourth Proportional to 18,186,769.80, 27,290,652.30 and 6,828,366.60
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Solution
The fourth proportional to 18,186,769.80, 27,290,652.30 and 6,828,366.60 is: 10,246,491.31
Step by Step Solution
- Step 1: Write the proportion equation
18,186,769.80 : 27,290,652.30 = 6,828,366.60 : x - Step 2: Convert to fraction form
18,186,769.80/27,290,652.30 = 6,828,366.60/x - Step 3: Cross multiply
18,186,769.80x = 27,290,652.30 × 6,828,366.60 - Step 4: Simplify right side
18,186,769.80x = 186,350,578,657,533.19 - Step 5: Solve for x
x = 186,350,578,657,533.19/18,186,769.80 - Step 6: Final answer
x = 10,246,491.31
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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.