Finding the Fourth Proportional to 46,358,436.18, 69,535,938.36 and 18,704,313.30
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Solution
The fourth proportional to 46,358,436.18, 69,535,938.36 and 18,704,313.30 is: 28,055,777.63
Step by Step Solution
- Step 1: Write the proportion equation
46,358,436.18 : 69,535,938.36 = 18,704,313.30 : x - Step 2: Convert to fraction form
46,358,436.18/69,535,938.36 = 18,704,313.30/x - Step 3: Cross multiply
46,358,436.18x = 69,535,938.36 × 18,704,313.30 - Step 4: Simplify right side
46,358,436.18x = 1,300,621,976,694,928.25 - Step 5: Solve for x
x = 1,300,621,976,694,928.25/46,358,436.18 - Step 6: Final answer
x = 28,055,777.63
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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.