Finding the Fourth Proportional to 41,128,369.98, 61,324,856.42 and 39,998,393.56
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Solution
The fourth proportional to 41,128,369.98, 61,324,856.42 and 39,998,393.56 is: 59,639,994.08
Step by Step Solution
- Step 1: Write the proportion equation
41,128,369.98 : 61,324,856.42 = 39,998,393.56 : x - Step 2: Convert to fraction form
41,128,369.98/61,324,856.42 = 39,998,393.56/x - Step 3: Cross multiply
41,128,369.98x = 61,324,856.42 × 39,998,393.56 - Step 4: Simplify right side
41,128,369.98x = 2,452,895,742,097,653 - Step 5: Solve for x
x = 2,452,895,742,097,653/41,128,369.98 - Step 6: Final answer
x = 59,639,994.08
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.