Finding the Fourth Proportional to 19,832,528.93, 27,368,942.63 and 11,011,996.53
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Solution
The fourth proportional to 19,832,528.93, 27,368,942.63 and 11,011,996.53 is: 15,196,584.48
Step by Step Solution
- Step 1: Write the proportion equation
19,832,528.93 : 27,368,942.63 = 11,011,996.53 : x - Step 2: Convert to fraction form
19,832,528.93/27,368,942.63 = 11,011,996.53/x - Step 3: Cross multiply
19,832,528.93x = 27,368,942.63 × 11,011,996.53 - Step 4: Simplify right side
19,832,528.93x = 301,386,701,216,269.06 - Step 5: Solve for x
x = 301,386,701,216,269.06/19,832,528.93 - Step 6: Final answer
x = 15,196,584.48
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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.