Finding the Fourth Proportional to 20,232,849.84, 27,919,644.88 and 11,411,815.02
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Solution
The fourth proportional to 20,232,849.84, 27,919,644.88 and 11,411,815.02 is: 15,747,352.71
Step by Step Solution
- Step 1: Write the proportion equation
20,232,849.84 : 27,919,644.88 = 11,411,815.02 : x - Step 2: Convert to fraction form
20,232,849.84/27,919,644.88 = 11,411,815.02/x - Step 3: Cross multiply
20,232,849.84x = 27,919,644.88 × 11,411,815.02 - Step 4: Simplify right side
20,232,849.84x = 318,613,822,794,650.06 - Step 5: Solve for x
x = 318,613,822,794,650.06/20,232,849.84 - Step 6: Final answer
x = 15,747,352.71
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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.