Finding the Fourth Proportional to 11,920,916.36, 17,881,376.40 and 3,833,714.80
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Solution
The fourth proportional to 11,920,916.36, 17,881,376.40 and 3,833,714.80 is: 5,750,572.80
Step by Step Solution
- Step 1: Write the proportion equation
11,920,916.36 : 17,881,376.40 = 3,833,714.80 : x - Step 2: Convert to fraction form
11,920,916.36/17,881,376.40 = 3,833,714.80/x - Step 3: Cross multiply
11,920,916.36x = 17,881,376.40 × 3,833,714.80 - Step 4: Simplify right side
11,920,916.36x = 68,552,097,349,050.71 - Step 5: Solve for x
x = 68,552,097,349,050.71/11,920,916.36 - Step 6: Final answer
x = 5,750,572.80
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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.