Finding the Fourth Proportional to 21,483,722.97, 32,225,268.70 and 5,309,675.63
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Solution
The fourth proportional to 21,483,722.97, 32,225,268.70 and 5,309,675.63 is: 7,964,435.40
Step by Step Solution
- Step 1: Write the proportion equation
21,483,722.97 : 32,225,268.70 = 5,309,675.63 : x - Step 2: Convert to fraction form
21,483,722.97/32,225,268.70 = 5,309,675.63/x - Step 3: Cross multiply
21,483,722.97x = 32,225,268.70 × 5,309,675.63 - Step 4: Simplify right side
21,483,722.97x = 171,105,723,852,947.31 - Step 5: Solve for x
x = 171,105,723,852,947.31/21,483,722.97 - Step 6: Final answer
x = 7,964,435.40
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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.