Finding the Fourth Proportional to 28,192,116.80, 42,193,696.80 and 24,790,894.40
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Solution
The fourth proportional to 28,192,116.80, 42,193,696.80 and 24,790,894.40 is: 37,103,261.49
Step by Step Solution
- Step 1: Write the proportion equation
28,192,116.80 : 42,193,696.80 = 24,790,894.40 : x - Step 2: Convert to fraction form
28,192,116.80/42,193,696.80 = 24,790,894.40/x - Step 3: Cross multiply
28,192,116.80x = 42,193,696.80 × 24,790,894.40 - Step 4: Simplify right side
28,192,116.80x = 1,046,019,481,714,417.75 - Step 5: Solve for x
x = 1,046,019,481,714,417.75/28,192,116.80 - Step 6: Final answer
x = 37,103,261.49
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1.5x scale
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.