Finding the Fourth Proportional to 43,892,368.86, 60,522,939.38 and 27,972,246.63
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Solution
The fourth proportional to 43,892,368.86, 60,522,939.38 and 27,972,246.63 is: 38,570,772.80
Step by Step Solution
- Step 1: Write the proportion equation
43,892,368.86 : 60,522,939.38 = 27,972,246.63 : x - Step 2: Convert to fraction form
43,892,368.86/60,522,939.38 = 27,972,246.63/x - Step 3: Cross multiply
43,892,368.86x = 60,522,939.38 × 27,972,246.63 - Step 4: Simplify right side
43,892,368.86x = 1,692,962,587,109,899.25 - Step 5: Solve for x
x = 1,692,962,587,109,899.25/43,892,368.86 - Step 6: Final answer
x = 38,570,772.80
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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.