Finding the Fourth Proportional to 20,854,562.70, 31,281,844.05 and 14,477,270.70
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Solution
The fourth proportional to 20,854,562.70, 31,281,844.05 and 14,477,270.70 is: 21,715,906.05
Step by Step Solution
- Step 1: Write the proportion equation
20,854,562.70 : 31,281,844.05 = 14,477,270.70 : x - Step 2: Convert to fraction form
20,854,562.70/31,281,844.05 = 14,477,270.70/x - Step 3: Cross multiply
20,854,562.70x = 31,281,844.05 × 14,477,270.70 - Step 4: Simplify right side
20,854,562.70x = 452,875,724,307,034.31 - Step 5: Solve for x
x = 452,875,724,307,034.31/20,854,562.70 - Step 6: Final answer
x = 21,715,906.05
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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.