Finding the Fourth Proportional to 34,389,370, 47,457,329.64 and 18,919,121.68
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Solution
The fourth proportional to 34,389,370, 47,457,329.64 and 18,919,121.68 is: 26,108,387.39
Step by Step Solution
- Step 1: Write the proportion equation
34,389,370 : 47,457,329.64 = 18,919,121.68 : x - Step 2: Convert to fraction form
34,389,370/47,457,329.64 = 18,919,121.68/x - Step 3: Cross multiply
34,389,370x = 47,457,329.64 × 18,919,121.68 - Step 4: Simplify right side
34,389,370x = 897,850,994,067,030.62 - Step 5: Solve for x
x = 897,850,994,067,030.62/34,389,370 - Step 6: Final answer
x = 26,108,387.39
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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.