Finding the Fourth Proportional to 9,161,271.09, 13,742,627.36 and 2,429,685.09
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Solution
The fourth proportional to 9,161,271.09, 13,742,627.36 and 2,429,685.09 is: 3,644,718.78
Step by Step Solution
- Step 1: Write the proportion equation
9,161,271.09 : 13,742,627.36 = 2,429,685.09 : x - Step 2: Convert to fraction form
9,161,271.09/13,742,627.36 = 2,429,685.09/x - Step 3: Cross multiply
9,161,271.09x = 13,742,627.36 × 2,429,685.09 - Step 4: Simplify right side
9,161,271.09x = 33,390,256,781,869.64 - Step 5: Solve for x
x = 33,390,256,781,869.64/9,161,271.09 - Step 6: Final answer
x = 3,644,718.78
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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.