Finding the Fourth Proportional to 18,217,917.95, 27,331,661.93 and 6,547,467.23
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Solution
The fourth proportional to 18,217,917.95, 27,331,661.93 and 6,547,467.23 is: 9,822,920.56
Step by Step Solution
- Step 1: Write the proportion equation
18,217,917.95 : 27,331,661.93 = 6,547,467.23 : x - Step 2: Convert to fraction form
18,217,917.95/27,331,661.93 = 6,547,467.23/x - Step 3: Cross multiply
18,217,917.95x = 27,331,661.93 × 6,547,467.23 - Step 4: Simplify right side
18,217,917.95x = 178,953,160,658,717.91 - Step 5: Solve for x
x = 178,953,160,658,717.91/18,217,917.95 - Step 6: Final answer
x = 9,822,920.56
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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.