Finding the Fourth Proportional to 19,964,034.73, 27,551,643.71 and 11,259,031.15
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Solution
The fourth proportional to 19,964,034.73, 27,551,643.71 and 11,259,031.15 is: 15,538,182.48
Step by Step Solution
- Step 1: Write the proportion equation
19,964,034.73 : 27,551,643.71 = 11,259,031.15 : x - Step 2: Convert to fraction form
19,964,034.73/27,551,643.71 = 11,259,031.15/x - Step 3: Cross multiply
19,964,034.73x = 27,551,643.71 × 11,259,031.15 - Step 4: Simplify right side
19,964,034.73x = 310,204,814,742,735.94 - Step 5: Solve for x
x = 310,204,814,742,735.94/19,964,034.73 - Step 6: Final answer
x = 15,538,182.48
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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.