Finding the Fourth Proportional to 18,514,642.17, 27,776,397.41 and 7,725,941.54
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Solution
The fourth proportional to 18,514,642.17, 27,776,397.41 and 7,725,941.54 is: 11,590,762.62
Step by Step Solution
- Step 1: Write the proportion equation
18,514,642.17 : 27,776,397.41 = 7,725,941.54 : x - Step 2: Convert to fraction form
18,514,642.17/27,776,397.41 = 7,725,941.54/x - Step 3: Cross multiply
18,514,642.17x = 27,776,397.41 × 7,725,941.54 - Step 4: Simplify right side
18,514,642.17x = 214,598,822,403,955.72 - Step 5: Solve for x
x = 214,598,822,403,955.72/18,514,642.17 - Step 6: Final answer
x = 11,590,762.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.