Finding the Fourth Proportional to 39,833,536.40, 54,971,970.24 and 22,192,423.28
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Solution
The fourth proportional to 39,833,536.40, 54,971,970.24 and 22,192,423.28 is: 30,626,485.68
Step by Step Solution
- Step 1: Write the proportion equation
39,833,536.40 : 54,971,970.24 = 22,192,423.28 : x - Step 2: Convert to fraction form
39,833,536.40/54,971,970.24 = 22,192,423.28/x - Step 3: Cross multiply
39,833,536.40x = 54,971,970.24 × 22,192,423.28 - Step 4: Simplify right side
39,833,536.40x = 1,219,961,232,101,643.25 - Step 5: Solve for x
x = 1,219,961,232,101,643.25/39,833,536.40 - Step 6: Final answer
x = 30,626,485.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.