Finding the Fourth Proportional to 15,578,728.41, 23,368,814.33 and 4,796,512.23
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Solution
The fourth proportional to 15,578,728.41, 23,368,814.33 and 4,796,512.23 is: 7,194,990.55
Step by Step Solution
- Step 1: Write the proportion equation
15,578,728.41 : 23,368,814.33 = 4,796,512.23 : x - Step 2: Convert to fraction form
15,578,728.41/23,368,814.33 = 4,796,512.23/x - Step 3: Cross multiply
15,578,728.41x = 23,368,814.33 × 4,796,512.23 - Step 4: Simplify right side
15,578,728.41x = 112,088,803,710,461.70 - Step 5: Solve for x
x = 112,088,803,710,461.70/15,578,728.41 - Step 6: Final answer
x = 7,194,990.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.