Finding the Fourth Proportional to 15,514,263.56, 21,409,244.52 and 8,449,696.28
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Solution
The fourth proportional to 15,514,263.56, 21,409,244.52 and 8,449,696.28 is: 11,660,341.66
Step by Step Solution
- Step 1: Write the proportion equation
15,514,263.56 : 21,409,244.52 = 8,449,696.28 : x - Step 2: Convert to fraction form
15,514,263.56/21,409,244.52 = 8,449,696.28/x - Step 3: Cross multiply
15,514,263.56x = 21,409,244.52 × 8,449,696.28 - Step 4: Simplify right side
15,514,263.56x = 180,901,613,778,254.38 - Step 5: Solve for x
x = 180,901,613,778,254.38/15,514,263.56 - Step 6: Final answer
x = 11,660,341.66
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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.