Finding the Fourth Proportional to 19,541,655.55, 29,312,732.85 and 5,164,599.13
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Solution
The fourth proportional to 19,541,655.55, 29,312,732.85 and 5,164,599.13 is: 7,746,964.64
Step by Step Solution
- Step 1: Write the proportion equation
19,541,655.55 : 29,312,732.85 = 5,164,599.13 : x - Step 2: Convert to fraction form
19,541,655.55/29,312,732.85 = 5,164,599.13/x - Step 3: Cross multiply
19,541,655.55x = 29,312,732.85 × 5,164,599.13 - Step 4: Simplify right side
19,541,655.55x = 151,388,514,575,032.44 - Step 5: Solve for x
x = 151,388,514,575,032.44/19,541,655.55 - Step 6: Final answer
x = 7,746,964.64
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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.