Finding the Fourth Proportional to 10,368,318.70, 15,552,478.05 and 4,688,728.30
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Solution
The fourth proportional to 10,368,318.70, 15,552,478.05 and 4,688,728.30 is: 7,033,092.45
Step by Step Solution
- Step 1: Write the proportion equation
10,368,318.70 : 15,552,478.05 = 4,688,728.30 : x - Step 2: Convert to fraction form
10,368,318.70/15,552,478.05 = 4,688,728.30/x - Step 3: Cross multiply
10,368,318.70x = 15,552,478.05 × 4,688,728.30 - Step 4: Simplify right side
10,368,318.70x = 72,921,343,968,163.81 - Step 5: Solve for x
x = 72,921,343,968,163.81/10,368,318.70 - Step 6: Final answer
x = 7,033,092.45
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Similar ratio
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1.5x scale
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.