Finding the Fourth Proportional to 12,297,705.70, 18,449,323.35 and 7,246,416.10
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Solution
The fourth proportional to 12,297,705.70, 18,449,323.35 and 7,246,416.10 is: 10,871,253.31
Step by Step Solution
- Step 1: Write the proportion equation
12,297,705.70 : 18,449,323.35 = 7,246,416.10 : x - Step 2: Convert to fraction form
12,297,705.70/18,449,323.35 = 7,246,416.10/x - Step 3: Cross multiply
12,297,705.70x = 18,449,323.35 × 7,246,416.10 - Step 4: Simplify right side
12,297,705.70x = 133,691,473,757,545.94 - Step 5: Solve for x
x = 133,691,473,757,545.94/12,297,705.70 - Step 6: Final answer
x = 10,871,253.31
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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.