Finding the Fourth Proportional to 11,473,084.78, 15,832,255.94 and 6,315,438.94
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Solution
The fourth proportional to 11,473,084.78, 15,832,255.94 and 6,315,438.94 is: 8,714,974.88
Step by Step Solution
- Step 1: Write the proportion equation
11,473,084.78 : 15,832,255.94 = 6,315,438.94 : x - Step 2: Convert to fraction form
11,473,084.78/15,832,255.94 = 6,315,438.94/x - Step 3: Cross multiply
11,473,084.78x = 15,832,255.94 × 6,315,438.94 - Step 4: Simplify right side
11,473,084.78x = 99,987,645,671,522.31 - Step 5: Solve for x
x = 99,987,645,671,522.31/11,473,084.78 - Step 6: Final answer
x = 8,714,974.88
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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.