Finding the Fourth Proportional to 13,121,006.84, 19,680,181.32 and 3,537,354.14
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Solution
The fourth proportional to 13,121,006.84, 19,680,181.32 and 3,537,354.14 is: 5,305,672.93
Step by Step Solution
- Step 1: Write the proportion equation
13,121,006.84 : 19,680,181.32 = 3,537,354.14 : x - Step 2: Convert to fraction form
13,121,006.84/19,680,181.32 = 3,537,354.14/x - Step 3: Cross multiply
13,121,006.84x = 19,680,181.32 × 3,537,354.14 - Step 4: Simplify right side
13,121,006.84x = 69,615,770,868,252.67 - Step 5: Solve for x
x = 69,615,770,868,252.67/13,121,006.84 - Step 6: Final answer
x = 5,305,672.93
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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.