Finding the Fourth Proportional to 19,623,264.16, 29,432,653.60 and 5,247,452.80
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Solution
The fourth proportional to 19,623,264.16, 29,432,653.60 and 5,247,452.80 is: 7,870,579.50
Step by Step Solution
- Step 1: Write the proportion equation
19,623,264.16 : 29,432,653.60 = 5,247,452.80 : x - Step 2: Convert to fraction form
19,623,264.16/29,432,653.60 = 5,247,452.80/x - Step 3: Cross multiply
19,623,264.16x = 29,432,653.60 × 5,247,452.80 - Step 4: Simplify right side
19,623,264.16x = 154,446,460,544,750.09 - Step 5: Solve for x
x = 154,446,460,544,750.09/19,623,264.16 - Step 6: Final answer
x = 7,870,579.50
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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.