Finding the Fourth Proportional to 19,684,219.20, 29,557,821.60 and 14,897,313.60
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Solution
The fourth proportional to 19,684,219.20, 29,557,821.60 and 14,897,313.60 is: 22,369,804.63
Step by Step Solution
- Step 1: Write the proportion equation
19,684,219.20 : 29,557,821.60 = 14,897,313.60 : x - Step 2: Convert to fraction form
19,684,219.20/29,557,821.60 = 14,897,313.60/x - Step 3: Cross multiply
19,684,219.20x = 29,557,821.60 × 14,897,313.60 - Step 4: Simplify right side
19,684,219.20x = 440,332,137,708,053.75 - Step 5: Solve for x
x = 440,332,137,708,053.75/19,684,219.20 - Step 6: Final answer
x = 22,369,804.63
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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.