Finding the Fourth Proportional to 18,953,446.64, 28,433,713.20 and 7,594,781.00
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Solution
The fourth proportional to 18,953,446.64, 28,433,713.20 and 7,594,781.00 is: 11,393,591.30
Step by Step Solution
- Step 1: Write the proportion equation
18,953,446.64 : 28,433,713.20 = 7,594,781.00 : x - Step 2: Convert to fraction form
18,953,446.64/28,433,713.20 = 7,594,781.00/x - Step 3: Cross multiply
18,953,446.64x = 28,433,713.20 × 7,594,781.00 - Step 4: Simplify right side
18,953,446.64x = 215,947,824,749,507.28 - Step 5: Solve for x
x = 215,947,824,749,507.28/18,953,446.64 - Step 6: Final answer
x = 11,393,591.30
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.