Finding the Fourth Proportional to 8,372,403.08, 11,550,618.98 and 4,837,864.20
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Solution
The fourth proportional to 8,372,403.08, 11,550,618.98 and 4,837,864.20 is: 6,674,347.32
Step by Step Solution
- Step 1: Write the proportion equation
8,372,403.08 : 11,550,618.98 = 4,837,864.20 : x - Step 2: Convert to fraction form
8,372,403.08/11,550,618.98 = 4,837,864.20/x - Step 3: Cross multiply
8,372,403.08x = 11,550,618.98 × 4,837,864.20 - Step 4: Simplify right side
8,372,403.08x = 55,880,326,051,182.52 - Step 5: Solve for x
x = 55,880,326,051,182.52/8,372,403.08 - Step 6: Final answer
x = 6,674,347.32
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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.