Finding the Fourth Proportional to 41,767,905.80, 62,651,858.70 and 30,430,497.80
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Solution
The fourth proportional to 41,767,905.80, 62,651,858.70 and 30,430,497.80 is: 45,645,746.70
Step by Step Solution
- Step 1: Write the proportion equation
41,767,905.80 : 62,651,858.70 = 30,430,497.80 : x - Step 2: Convert to fraction form
41,767,905.80/62,651,858.70 = 30,430,497.80/x - Step 3: Cross multiply
41,767,905.80x = 62,651,858.70 × 30,430,497.80 - Step 4: Simplify right side
41,767,905.80x = 1,906,527,248,336,261 - Step 5: Solve for x
x = 1,906,527,248,336,261/41,767,905.80 - Step 6: Final answer
x = 45,645,746.70
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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.