Finding the Fourth Proportional to 19,626,890.92, 27,086,001.86 and 10,925,614.92
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Solution
The fourth proportional to 19,626,890.92, 27,086,001.86 and 10,925,614.92 is: 15,077,845.35
Step by Step Solution
- Step 1: Write the proportion equation
19,626,890.92 : 27,086,001.86 = 10,925,614.92 : x - Step 2: Convert to fraction form
19,626,890.92/27,086,001.86 = 10,925,614.92/x - Step 3: Cross multiply
19,626,890.92x = 27,086,001.86 × 10,925,614.92 - Step 4: Simplify right side
19,626,890.92x = 295,931,226,044,763.75 - Step 5: Solve for x
x = 295,931,226,044,763.75/19,626,890.92 - Step 6: Final answer
x = 15,077,845.35
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1.5x scale
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.