Finding the Fourth Proportional to 34,872,818.61, 48,131,152.28 and 23,091,306.74
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Solution
The fourth proportional to 34,872,818.61, 48,131,152.28 and 23,091,306.74 is: 31,870,414.99
Step by Step Solution
- Step 1: Write the proportion equation
34,872,818.61 : 48,131,152.28 = 23,091,306.74 : x - Step 2: Convert to fraction form
34,872,818.61/48,131,152.28 = 23,091,306.74/x - Step 3: Cross multiply
34,872,818.61x = 48,131,152.28 × 23,091,306.74 - Step 4: Simplify right side
34,872,818.61x = 1,111,411,201,047,130.38 - Step 5: Solve for x
x = 1,111,411,201,047,130.38/34,872,818.61 - Step 6: Final answer
x = 31,870,414.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.