Finding the Fourth Proportional to 11,321,376.08, 15,623,685.61 and 6,164,838.32
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Solution
The fourth proportional to 11,321,376.08, 15,623,685.61 and 6,164,838.32 is: 8,507,578.50
Step by Step Solution
- Step 1: Write the proportion equation
11,321,376.08 : 15,623,685.61 = 6,164,838.32 : x - Step 2: Convert to fraction form
11,321,376.08/15,623,685.61 = 6,164,838.32/x - Step 3: Cross multiply
11,321,376.08x = 15,623,685.61 × 6,164,838.32 - Step 4: Simplify right side
11,321,376.08x = 96,317,495,654,630.06 - Step 5: Solve for x
x = 96,317,495,654,630.06/11,321,376.08 - Step 6: Final answer
x = 8,507,578.50
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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.