Finding the Fourth Proportional to 11,711,316.72, 16,157,934.36 and 6,553,858.80
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Solution
The fourth proportional to 11,711,316.72, 16,157,934.36 and 6,553,858.80 is: 9,042,264.23
Step by Step Solution
- Step 1: Write the proportion equation
11,711,316.72 : 16,157,934.36 = 6,553,858.80 : x - Step 2: Convert to fraction form
11,711,316.72/16,157,934.36 = 6,553,858.80/x - Step 3: Cross multiply
11,711,316.72x = 16,157,934.36 × 6,553,858.80 - Step 4: Simplify right side
11,711,316.72x = 105,896,820,295,108.36 - Step 5: Solve for x
x = 105,896,820,295,108.36/11,711,316.72 - Step 6: Final answer
x = 9,042,264.23
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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.