Finding the Fourth Proportional to 9,128,944.70, 13,694,752.20 and 2,739,701.96
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Solution
The fourth proportional to 9,128,944.70, 13,694,752.20 and 2,739,701.96 is: 4,109,953.63
Step by Step Solution
- Step 1: Write the proportion equation
9,128,944.70 : 13,694,752.20 = 2,739,701.96 : x - Step 2: Convert to fraction form
9,128,944.70/13,694,752.20 = 2,739,701.96/x - Step 3: Cross multiply
9,128,944.70x = 13,694,752.20 × 2,739,701.96 - Step 4: Simplify right side
9,128,944.70x = 37,519,539,444,054.31 - Step 5: Solve for x
x = 37,519,539,444,054.31/9,128,944.70 - Step 6: Final answer
x = 4,109,953.63
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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.