Finding the Fourth Proportional to 29,596,452.28, 40,831,765.46 and 17,989,780.84
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Solution
The fourth proportional to 29,596,452.28, 40,831,765.46 and 17,989,780.84 is: 24,819,005.50
Step by Step Solution
- Step 1: Write the proportion equation
29,596,452.28 : 40,831,765.46 = 17,989,780.84 : x - Step 2: Convert to fraction form
29,596,452.28/40,831,765.46 = 17,989,780.84/x - Step 3: Cross multiply
29,596,452.28x = 40,831,765.46 × 17,989,780.84 - Step 4: Simplify right side
29,596,452.28x = 734,554,511,935,681.75 - Step 5: Solve for x
x = 734,554,511,935,681.75/29,596,452.28 - Step 6: Final answer
x = 24,819,005.50
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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.