Finding the Fourth Proportional to 10,807,881.84, 14,912,905.14 and 6,161,469.12
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Solution
The fourth proportional to 10,807,881.84, 14,912,905.14 and 6,161,469.12 is: 8,501,703.28
Step by Step Solution
- Step 1: Write the proportion equation
10,807,881.84 : 14,912,905.14 = 6,161,469.12 : x - Step 2: Convert to fraction form
10,807,881.84/14,912,905.14 = 6,161,469.12/x - Step 3: Cross multiply
10,807,881.84x = 14,912,905.14 × 6,161,469.12 - Step 4: Simplify right side
10,807,881.84x = 91,885,404,509,599.28 - Step 5: Solve for x
x = 91,885,404,509,599.28/10,807,881.84 - Step 6: Final answer
x = 8,501,703.28
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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.