Finding the Fourth Proportional to 10,368,423.23, 15,552,634.84 and 7,179,777.23
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Solution
The fourth proportional to 10,368,423.23, 15,552,634.84 and 7,179,777.23 is: 10,769,665.84
Step by Step Solution
- Step 1: Write the proportion equation
10,368,423.23 : 15,552,634.84 = 7,179,777.23 : x - Step 2: Convert to fraction form
10,368,423.23/15,552,634.84 = 7,179,777.23/x - Step 3: Cross multiply
10,368,423.23x = 15,552,634.84 × 7,179,777.23 - Step 4: Simplify right side
10,368,423.23x = 111,664,453,395,024.08 - Step 5: Solve for x
x = 111,664,453,395,024.08/10,368,423.23 - Step 6: Final answer
x = 10,769,665.84
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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.