Finding the Fourth Proportional to 11,362,309.08, 15,679,961.49 and 6,205,670.88
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Solution
The fourth proportional to 11,362,309.08, 15,679,961.49 and 6,205,670.88 is: 8,563,812.14
Step by Step Solution
- Step 1: Write the proportion equation
11,362,309.08 : 15,679,961.49 = 6,205,670.88 : x - Step 2: Convert to fraction form
11,362,309.08/15,679,961.49 = 6,205,670.88/x - Step 3: Cross multiply
11,362,309.08x = 15,679,961.49 × 6,205,670.88 - Step 4: Simplify right side
11,362,309.08x = 97,304,680,418,014.41 - Step 5: Solve for x
x = 97,304,680,418,014.41/11,362,309.08 - Step 6: Final answer
x = 8,563,812.14
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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.