Finding the Fourth Proportional to 21,352,841.34, 32,030,147.79 and 6,206,772.84
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Solution
The fourth proportional to 21,352,841.34, 32,030,147.79 and 6,206,772.84 is: 9,310,416.74
Step by Step Solution
- Step 1: Write the proportion equation
21,352,841.34 : 32,030,147.79 = 6,206,772.84 : x - Step 2: Convert to fraction form
21,352,841.34/32,030,147.79 = 6,206,772.84/x - Step 3: Cross multiply
21,352,841.34x = 32,030,147.79 × 6,206,772.84 - Step 4: Simplify right side
21,352,841.34x = 198,803,851,364,158 - Step 5: Solve for x
x = 198,803,851,364,158/21,352,841.34 - Step 6: Final answer
x = 9,310,416.74
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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.