Finding the Fourth Proportional to 19,790,722.48, 29,696,241.12 and 9,427,677.52
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Solution
The fourth proportional to 19,790,722.48, 29,696,241.12 and 9,427,677.52 is: 14,146,354.95
Step by Step Solution
- Step 1: Write the proportion equation
19,790,722.48 : 29,696,241.12 = 9,427,677.52 : x - Step 2: Convert to fraction form
19,790,722.48/29,696,241.12 = 9,427,677.52/x - Step 3: Cross multiply
19,790,722.48x = 29,696,241.12 × 9,427,677.52 - Step 4: Simplify right side
19,790,722.48x = 279,966,584,835,523.62 - Step 5: Solve for x
x = 279,966,584,835,523.62/19,790,722.48 - Step 6: Final answer
x = 14,146,354.95
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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.