Finding the Fourth Proportional to 11,452,422.81, 15,804,376.79 and 6,557,719.17
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Solution
The fourth proportional to 11,452,422.81, 15,804,376.79 and 6,557,719.17 is: 9,049,671.53
Step by Step Solution
- Step 1: Write the proportion equation
11,452,422.81 : 15,804,376.79 = 6,557,719.17 : x - Step 2: Convert to fraction form
11,452,422.81/15,804,376.79 = 6,557,719.17/x - Step 3: Cross multiply
11,452,422.81x = 15,804,376.79 × 6,557,719.17 - Step 4: Simplify right side
11,452,422.81x = 103,640,664,612,897.47 - Step 5: Solve for x
x = 103,640,664,612,897.47/11,452,422.81 - Step 6: Final answer
x = 9,049,671.53
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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.