Finding the Fourth Proportional to 13,936,959.41, 19,236,077.99 and 7,744,134.02
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Solution
The fourth proportional to 13,936,959.41, 19,236,077.99 and 7,744,134.02 is: 10,688,613.03
Step by Step Solution
- Step 1: Write the proportion equation
13,936,959.41 : 19,236,077.99 = 7,744,134.02 : x - Step 2: Convert to fraction form
13,936,959.41/19,236,077.99 = 7,744,134.02/x - Step 3: Cross multiply
13,936,959.41x = 19,236,077.99 × 7,744,134.02 - Step 4: Simplify right side
13,936,959.41x = 148,966,765,973,732.19 - Step 5: Solve for x
x = 148,966,765,973,732.19/13,936,959.41 - Step 6: Final answer
x = 10,688,613.03
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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.