Finding the Fourth Proportional to 10,239,194.61, 15,363,272.84 and 4,851,690.21
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Solution
The fourth proportional to 10,239,194.61, 15,363,272.84 and 4,851,690.21 is: 7,279,658.53
Step by Step Solution
- Step 1: Write the proportion equation
10,239,194.61 : 15,363,272.84 = 4,851,690.21 : x - Step 2: Convert to fraction form
10,239,194.61/15,363,272.84 = 4,851,690.21/x - Step 3: Cross multiply
10,239,194.61x = 15,363,272.84 × 4,851,690.21 - Step 4: Simplify right side
10,239,194.61x = 74,537,840,407,128.45 - Step 5: Solve for x
x = 74,537,840,407,128.45/10,239,194.61 - Step 6: Final answer
x = 7,279,658.53
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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.