Finding the Fourth Proportional to 27,207,386.36, 37,547,889.90 and 14,984,240.12
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Solution
The fourth proportional to 27,207,386.36, 37,547,889.90 and 14,984,240.12 is: 20,679,185.82
Step by Step Solution
- Step 1: Write the proportion equation
27,207,386.36 : 37,547,889.90 = 14,984,240.12 : x - Step 2: Convert to fraction form
27,207,386.36/37,547,889.90 = 14,984,240.12/x - Step 3: Cross multiply
27,207,386.36x = 37,547,889.90 × 14,984,240.12 - Step 4: Simplify right side
27,207,386.36x = 562,626,598,260,922.75 - Step 5: Solve for x
x = 562,626,598,260,922.75/27,207,386.36 - Step 6: Final answer
x = 20,679,185.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.