Finding the Fourth Proportional to 13,129,304.07, 19,693,677.73 and 4,376,215.53
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Solution
The fourth proportional to 13,129,304.07, 19,693,677.73 and 4,376,215.53 is: 6,564,230.51
Step by Step Solution
- Step 1: Write the proportion equation
13,129,304.07 : 19,693,677.73 = 4,376,215.53 : x - Step 2: Convert to fraction form
13,129,304.07/19,693,677.73 = 4,376,215.53/x - Step 3: Cross multiply
13,129,304.07x = 19,693,677.73 × 4,376,215.53 - Step 4: Simplify right side
13,129,304.07x = 86,183,778,324,841.16 - Step 5: Solve for x
x = 86,183,778,324,841.16/13,129,304.07 - Step 6: Final answer
x = 6,564,230.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.