Finding the Fourth Proportional to 10,368,006.08, 15,552,009.12 and 7,166,367.68
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Solution
The fourth proportional to 10,368,006.08, 15,552,009.12 and 7,166,367.68 is: 10,749,551.52
Step by Step Solution
- Step 1: Write the proportion equation
10,368,006.08 : 15,552,009.12 = 7,166,367.68 : x - Step 2: Convert to fraction form
10,368,006.08/15,552,009.12 = 7,166,367.68/x - Step 3: Cross multiply
10,368,006.08x = 15,552,009.12 × 7,166,367.68 - Step 4: Simplify right side
10,368,006.08x = 111,451,415,516,633.23 - Step 5: Solve for x
x = 111,451,415,516,633.23/10,368,006.08 - Step 6: Final answer
x = 10,749,551.52
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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.