Finding the Fourth Proportional to 18,366,547.05, 27,553,806.09 and 5,586,719.67
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Solution
The fourth proportional to 18,366,547.05, 27,553,806.09 and 5,586,719.67 is: 8,381,291.82
Step by Step Solution
- Step 1: Write the proportion equation
18,366,547.05 : 27,553,806.09 = 5,586,719.67 : x - Step 2: Convert to fraction form
18,366,547.05/27,553,806.09 = 5,586,719.67/x - Step 3: Cross multiply
18,366,547.05x = 27,553,806.09 × 5,586,719.67 - Step 4: Simplify right side
18,366,547.05x = 153,935,390,466,368.78 - Step 5: Solve for x
x = 153,935,390,466,368.78/18,366,547.05 - Step 6: Final answer
x = 8,381,291.82
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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.