Finding the Fourth Proportional to 46,267,749.12, 69,420,679.68 and 20,346,725.12
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Solution
The fourth proportional to 46,267,749.12, 69,420,679.68 and 20,346,725.12 is: 30,528,467.75
Step by Step Solution
- Step 1: Write the proportion equation
46,267,749.12 : 69,420,679.68 = 20,346,725.12 : x - Step 2: Convert to fraction form
46,267,749.12/69,420,679.68 = 20,346,725.12/x - Step 3: Cross multiply
46,267,749.12x = 69,420,679.68 × 20,346,725.12 - Step 4: Simplify right side
46,267,749.12x = 1,412,483,487,092,529.75 - Step 5: Solve for x
x = 1,412,483,487,092,529.75/46,267,749.12 - Step 6: Final answer
x = 30,528,467.75
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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.