Finding the Fourth Proportional to 11,787,056.88, 17,680,590.23 and 5,302,558.08
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Solution
The fourth proportional to 11,787,056.88, 17,680,590.23 and 5,302,558.08 is: 7,953,839.33
Step by Step Solution
- Step 1: Write the proportion equation
11,787,056.88 : 17,680,590.23 = 5,302,558.08 : x - Step 2: Convert to fraction form
11,787,056.88/17,680,590.23 = 5,302,558.08/x - Step 3: Cross multiply
11,787,056.88x = 17,680,590.23 × 5,302,558.08 - Step 4: Simplify right side
11,787,056.88x = 93,752,356,556,742.78 - Step 5: Solve for x
x = 93,752,356,556,742.78/11,787,056.88 - Step 6: Final answer
x = 7,953,839.33
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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.