Finding the Fourth Proportional to 19,995,266.88, 27,593,487.54 and 11,293,456.32
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Solution
The fourth proportional to 19,995,266.88, 27,593,487.54 and 11,293,456.32 is: 15,584,980.59
Step by Step Solution
- Step 1: Write the proportion equation
19,995,266.88 : 27,593,487.54 = 11,293,456.32 : x - Step 2: Convert to fraction form
19,995,266.88/27,593,487.54 = 11,293,456.32/x - Step 3: Cross multiply
19,995,266.88x = 27,593,487.54 × 11,293,456.32 - Step 4: Simplify right side
19,995,266.88x = 311,625,846,249,454.25 - Step 5: Solve for x
x = 311,625,846,249,454.25/19,995,266.88 - Step 6: Final answer
x = 15,584,980.59
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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.