Finding the Fourth Proportional to 26,752,747.80, 40,129,121.70 and 6,557,989.80
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Solution
The fourth proportional to 26,752,747.80, 40,129,121.70 and 6,557,989.80 is: 9,836,984.70
Step by Step Solution
- Step 1: Write the proportion equation
26,752,747.80 : 40,129,121.70 = 6,557,989.80 : x - Step 2: Convert to fraction form
26,752,747.80/40,129,121.70 = 6,557,989.80/x - Step 3: Cross multiply
26,752,747.80x = 40,129,121.70 × 6,557,989.80 - Step 4: Simplify right side
26,752,747.80x = 263,166,370,791,558.69 - Step 5: Solve for x
x = 263,166,370,791,558.69/26,752,747.80 - Step 6: Final answer
x = 9,836,984.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.