Finding the Fourth Proportional to 8,654,862.80, 12,982,294.20 and 3,605,517.20
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Solution
The fourth proportional to 8,654,862.80, 12,982,294.20 and 3,605,517.20 is: 5,408,275.80
Step by Step Solution
- Step 1: Write the proportion equation
8,654,862.80 : 12,982,294.20 = 3,605,517.20 : x - Step 2: Convert to fraction form
8,654,862.80/12,982,294.20 = 3,605,517.20/x - Step 3: Cross multiply
8,654,862.80x = 12,982,294.20 × 3,605,517.20 - Step 4: Simplify right side
8,654,862.80x = 46,807,885,033,560.24 - Step 5: Solve for x
x = 46,807,885,033,560.24/8,654,862.80 - Step 6: Final answer
x = 5,408,275.80
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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.