Finding the Fourth Proportional to 10,156,299.84, 14,015,693.88 and 5,805,480.36
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Solution
The fourth proportional to 10,156,299.84, 14,015,693.88 and 5,805,480.36 is: 8,011,562.95
Step by Step Solution
- Step 1: Write the proportion equation
10,156,299.84 : 14,015,693.88 = 5,805,480.36 : x - Step 2: Convert to fraction form
10,156,299.84/14,015,693.88 = 5,805,480.36/x - Step 3: Cross multiply
10,156,299.84x = 14,015,693.88 × 5,805,480.36 - Step 4: Simplify right side
10,156,299.84x = 81,367,835,552,112.20 - Step 5: Solve for x
x = 81,367,835,552,112.20/10,156,299.84 - Step 6: Final answer
x = 8,011,562.95
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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.