Finding the Fourth Proportional to 15,484,471.24, 21,368,917.14 and 8,514,707
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Solution
The fourth proportional to 15,484,471.24, 21,368,917.14 and 8,514,707 is: 11,750,486.38
Step by Step Solution
- Step 1: Write the proportion equation
15,484,471.24 : 21,368,917.14 = 8,514,707 : x - Step 2: Convert to fraction form
15,484,471.24/21,368,917.14 = 8,514,707/x - Step 3: Cross multiply
15,484,471.24x = 21,368,917.14 × 8,514,707 - Step 4: Simplify right side
15,484,471.24x = 181,950,068,354,378 - Step 5: Solve for x
x = 181,950,068,354,378/15,484,471.24 - Step 6: Final answer
x = 11,750,486.38
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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.