Finding the Fourth Proportional to 42,578,374.48, 58,758,179.49 and 22,999,262.45
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Solution
The fourth proportional to 42,578,374.48, 58,758,179.49 and 22,999,262.45 is: 31,738,994.44
Step by Step Solution
- Step 1: Write the proportion equation
42,578,374.48 : 58,758,179.49 = 22,999,262.45 : x - Step 2: Convert to fraction form
42,578,374.48/58,758,179.49 = 22,999,262.45/x - Step 3: Cross multiply
42,578,374.48x = 58,758,179.49 × 22,999,262.45 - Step 4: Simplify right side
42,578,374.48x = 1,351,394,790,880,926.25 - Step 5: Solve for x
x = 1,351,394,790,880,926.25/42,578,374.48 - Step 6: Final answer
x = 31,738,994.44
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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.