Finding the Fourth Proportional to 7,484,629.28, 10,328,728.30 and 4,345,184.28
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Solution
The fourth proportional to 7,484,629.28, 10,328,728.30 and 4,345,184.28 is: 5,996,319.41
Step by Step Solution
- Step 1: Write the proportion equation
7,484,629.28 : 10,328,728.30 = 4,345,184.28 : x - Step 2: Convert to fraction form
7,484,629.28/10,328,728.30 = 4,345,184.28/x - Step 3: Cross multiply
7,484,629.28x = 10,328,728.30 × 4,345,184.28 - Step 4: Simplify right side
7,484,629.28x = 44,880,227,841,551.13 - Step 5: Solve for x
x = 44,880,227,841,551.13/7,484,629.28 - Step 6: Final answer
x = 5,996,319.41
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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.