Finding the Fourth Proportional to 11,078,764.60, 15,291,246.03 and 6,496,562.20
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Solution
The fourth proportional to 11,078,764.60, 15,291,246.03 and 6,496,562.20 is: 8,966,751.66
Step by Step Solution
- Step 1: Write the proportion equation
11,078,764.60 : 15,291,246.03 = 6,496,562.20 : x - Step 2: Convert to fraction form
11,078,764.60/15,291,246.03 = 6,496,562.20/x - Step 3: Cross multiply
11,078,764.60x = 15,291,246.03 × 6,496,562.20 - Step 4: Simplify right side
11,078,764.60x = 99,340,530,886,807.83 - Step 5: Solve for x
x = 99,340,530,886,807.83/11,078,764.60 - Step 6: Final answer
x = 8,966,751.66
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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.