Finding the Fourth Proportional to 13,514,748.84, 18,650,356.74 and 7,403,394.60
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Solution
The fourth proportional to 13,514,748.84, 18,650,356.74 and 7,403,394.60 is: 10,216,686.38
Step by Step Solution
- Step 1: Write the proportion equation
13,514,748.84 : 18,650,356.74 = 7,403,394.60 : x - Step 2: Convert to fraction form
13,514,748.84/18,650,356.74 = 7,403,394.60/x - Step 3: Cross multiply
13,514,748.84x = 18,650,356.74 × 7,403,394.60 - Step 4: Simplify right side
13,514,748.84x = 138,075,950,376,989.58 - Step 5: Solve for x
x = 138,075,950,376,989.58/13,514,748.84 - Step 6: Final answer
x = 10,216,686.38
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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.