Finding the Fourth Proportional to 19,593,607.32, 29,393,964.45 and 8,072,676.81
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Solution
The fourth proportional to 19,593,607.32, 29,393,964.45 and 8,072,676.81 is: 12,110,479.26
Step by Step Solution
- Step 1: Write the proportion equation
19,593,607.32 : 29,393,964.45 = 8,072,676.81 : x - Step 2: Convert to fraction form
19,593,607.32/29,393,964.45 = 8,072,676.81/x - Step 3: Cross multiply
19,593,607.32x = 29,393,964.45 × 8,072,676.81 - Step 4: Simplify right side
19,593,607.32x = 237,287,975,169,479.38 - Step 5: Solve for x
x = 237,287,975,169,479.38/19,593,607.32 - Step 6: Final answer
x = 12,110,479.26
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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.