Finding the Fourth Proportional to 11,766,966.31, 16,235,397.75 and 6,869,374.08
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Solution
The fourth proportional to 11,766,966.31, 16,235,397.75 and 6,869,374.08 is: 9,477,975.68
Step by Step Solution
- Step 1: Write the proportion equation
11,766,966.31 : 16,235,397.75 = 6,869,374.08 : x - Step 2: Convert to fraction form
11,766,966.31/16,235,397.75 = 6,869,374.08/x - Step 3: Cross multiply
11,766,966.31x = 16,235,397.75 × 6,869,374.08 - Step 4: Simplify right side
11,766,966.31x = 111,527,020,482,340.33 - Step 5: Solve for x
x = 111,527,020,482,340.33/11,766,966.31 - Step 6: Final answer
x = 9,477,975.68
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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.