Finding the Fourth Proportional to 48,406,994.22, 66,799,703.14 and 26,380,020.70
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Solution
The fourth proportional to 48,406,994.22, 66,799,703.14 and 26,380,020.70 is: 36,403,366.49
Step by Step Solution
- Step 1: Write the proportion equation
48,406,994.22 : 66,799,703.14 = 26,380,020.70 : x - Step 2: Convert to fraction form
48,406,994.22/66,799,703.14 = 26,380,020.70/x - Step 3: Cross multiply
48,406,994.22x = 66,799,703.14 × 26,380,020.70 - Step 4: Simplify right side
48,406,994.22x = 1,762,177,551,354,106 - Step 5: Solve for x
x = 1,762,177,551,354,106/48,406,994.22 - Step 6: Final answer
x = 36,403,366.49
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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.