Finding the Fourth Proportional to 19,895,539.08, 27,455,649.86 and 11,074,850.49
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Solution
The fourth proportional to 19,895,539.08, 27,455,649.86 and 11,074,850.49 is: 15,283,185.64
Step by Step Solution
- Step 1: Write the proportion equation
19,895,539.08 : 27,455,649.86 = 11,074,850.49 : x - Step 2: Convert to fraction form
19,895,539.08/27,455,649.86 = 11,074,850.49/x - Step 3: Cross multiply
19,895,539.08x = 27,455,649.86 × 11,074,850.49 - Step 4: Simplify right side
19,895,539.08x = 304,067,217,249,915.19 - Step 5: Solve for x
x = 304,067,217,249,915.19/19,895,539.08 - Step 6: Final answer
x = 15,283,185.64
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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.