Finding the Fourth Proportional to 9,615,371.42, 13,268,686.97 and 5,263,615.94
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Solution
The fourth proportional to 9,615,371.42, 13,268,686.97 and 5,263,615.94 is: 7,263,502.28
Step by Step Solution
- Step 1: Write the proportion equation
9,615,371.42 : 13,268,686.97 = 5,263,615.94 : x - Step 2: Convert to fraction form
9,615,371.42/13,268,686.97 = 5,263,615.94/x - Step 3: Cross multiply
9,615,371.42x = 13,268,686.97 × 5,263,615.94 - Step 4: Simplify right side
9,615,371.42x = 69,841,272,238,162.31 - Step 5: Solve for x
x = 69,841,272,238,162.31/9,615,371.42 - Step 6: Final answer
x = 7,263,502.28
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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.