Finding the Fourth Proportional to 10,796,386.80, 16,184,212.20 and 6,242,761.20
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Solution
The fourth proportional to 10,796,386.80, 16,184,212.20 and 6,242,761.20 is: 9,358,146.74
Step by Step Solution
- Step 1: Write the proportion equation
10,796,386.80 : 16,184,212.20 = 6,242,761.20 : x - Step 2: Convert to fraction form
10,796,386.80/16,184,212.20 = 6,242,761.20/x - Step 3: Cross multiply
10,796,386.80x = 16,184,212.20 × 6,242,761.20 - Step 4: Simplify right side
10,796,386.80x = 101,034,171,974,726.64 - Step 5: Solve for x
x = 101,034,171,974,726.64/10,796,386.80 - Step 6: Final answer
x = 9,358,146.74
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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.