Finding the Fourth Proportional to 26,640,733.38, 36,764,195.67 and 15,038,397.06
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Solution
The fourth proportional to 26,640,733.38, 36,764,195.67 and 15,038,397.06 is: 20,752,978.69
Step by Step Solution
- Step 1: Write the proportion equation
26,640,733.38 : 36,764,195.67 = 15,038,397.06 : x - Step 2: Convert to fraction form
26,640,733.38/36,764,195.67 = 15,038,397.06/x - Step 3: Cross multiply
26,640,733.38x = 36,764,195.67 × 15,038,397.06 - Step 4: Simplify right side
26,640,733.38x = 552,874,572,076,992.75 - Step 5: Solve for x
x = 552,874,572,076,992.75/26,640,733.38 - Step 6: Final answer
x = 20,752,978.69
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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.