Finding the Fourth Proportional to 42,306,737.54, 58,361,810.97 and 27,630,994.32
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Solution
The fourth proportional to 42,306,737.54, 58,361,810.97 and 27,630,994.32 is: 38,116,738.88
Step by Step Solution
- Step 1: Write the proportion equation
42,306,737.54 : 58,361,810.97 = 27,630,994.32 : x - Step 2: Convert to fraction form
42,306,737.54/58,361,810.97 = 27,630,994.32/x - Step 3: Cross multiply
42,306,737.54x = 58,361,810.97 × 27,630,994.32 - Step 4: Simplify right side
42,306,737.54x = 1,612,594,867,728,065.25 - Step 5: Solve for x
x = 1,612,594,867,728,065.25/42,306,737.54 - Step 6: Final answer
x = 38,116,738.88
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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.