Finding the Fourth Proportional to 18,587,979.75, 27,875,371.68 and 5,453,731.83
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Solution
The fourth proportional to 18,587,979.75, 27,875,371.68 and 5,453,731.83 is: 8,178,661.90
Step by Step Solution
- Step 1: Write the proportion equation
18,587,979.75 : 27,875,371.68 = 5,453,731.83 : x - Step 2: Convert to fraction form
18,587,979.75/27,875,371.68 = 5,453,731.83/x - Step 3: Cross multiply
18,587,979.75x = 27,875,371.68 × 5,453,731.83 - Step 4: Simplify right side
18,587,979.75x = 152,024,801,804,296.56 - Step 5: Solve for x
x = 152,024,801,804,296.56/18,587,979.75 - Step 6: Final answer
x = 8,178,661.90
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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.