Finding the Fourth Proportional to 21,355,081.94, 32,036,744.20 and 6,974,283.62
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Solution
The fourth proportional to 21,355,081.94, 32,036,744.20 and 6,974,283.62 is: 10,462,771.39
Step by Step Solution
- Step 1: Write the proportion equation
21,355,081.94 : 32,036,744.20 = 6,974,283.62 : x - Step 2: Convert to fraction form
21,355,081.94/32,036,744.20 = 6,974,283.62/x - Step 3: Cross multiply
21,355,081.94x = 32,036,744.20 × 6,974,283.62 - Step 4: Simplify right side
21,355,081.94x = 223,433,340,312,190 - Step 5: Solve for x
x = 223,433,340,312,190/21,355,081.94 - Step 6: Final answer
x = 10,462,771.39
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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.