Finding the Fourth Proportional to 7,345,325.40, 11,017,988.10 and 4,471,315.80
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Solution
The fourth proportional to 7,345,325.40, 11,017,988.10 and 4,471,315.80 is: 6,706,973.70
Step by Step Solution
- Step 1: Write the proportion equation
7,345,325.40 : 11,017,988.10 = 4,471,315.80 : x - Step 2: Convert to fraction form
7,345,325.40/11,017,988.10 = 4,471,315.80/x - Step 3: Cross multiply
7,345,325.40x = 11,017,988.10 × 4,471,315.80 - Step 4: Simplify right side
7,345,325.40x = 49,264,904,275,741.98 - Step 5: Solve for x
x = 49,264,904,275,741.98/7,345,325.40 - Step 6: Final answer
x = 6,706,973.70
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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.