Finding the Fourth Proportional to 23,248,687.18, 32,087,629.02 and 15,394,353.70
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Solution
The fourth proportional to 23,248,687.18, 32,087,629.02 and 15,394,353.70 is: 21,247,148.57
Step by Step Solution
- Step 1: Write the proportion equation
23,248,687.18 : 32,087,629.02 = 15,394,353.70 : x - Step 2: Convert to fraction form
23,248,687.18/32,087,629.02 = 15,394,353.70/x - Step 3: Cross multiply
23,248,687.18x = 32,087,629.02 × 15,394,353.70 - Step 4: Simplify right side
23,248,687.18x = 493,968,310,528,264.31 - Step 5: Solve for x
x = 493,968,310,528,264.31/23,248,687.18 - Step 6: Final answer
x = 21,247,148.57
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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.