Finding the Fourth Proportional to 19,964,036.49, 27,551,646.12 and 11,259,032.91
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Solution
The fourth proportional to 19,964,036.49, 27,551,646.12 and 11,259,032.91 is: 15,538,184.90
Step by Step Solution
- Step 1: Write the proportion equation
19,964,036.49 : 27,551,646.12 = 11,259,032.91 : x - Step 2: Convert to fraction form
19,964,036.49/27,551,646.12 = 11,259,032.91/x - Step 3: Cross multiply
19,964,036.49x = 27,551,646.12 × 11,259,032.91 - Step 4: Simplify right side
19,964,036.49x = 310,204,890,389,753.81 - Step 5: Solve for x
x = 310,204,890,389,753.81/19,964,036.49 - Step 6: Final answer
x = 15,538,184.90
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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.