Finding the Fourth Proportional to 8,918,399.76, 12,307,182.35 and 5,247,554.09
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Solution
The fourth proportional to 8,918,399.76, 12,307,182.35 and 5,247,554.09 is: 7,241,501.48
Step by Step Solution
- Step 1: Write the proportion equation
8,918,399.76 : 12,307,182.35 = 5,247,554.09 : x - Step 2: Convert to fraction form
8,918,399.76/12,307,182.35 = 5,247,554.09/x - Step 3: Cross multiply
8,918,399.76x = 12,307,182.35 × 5,247,554.09 - Step 4: Simplify right side
8,918,399.76x = 64,582,605,092,199.22 - Step 5: Solve for x
x = 64,582,605,092,199.22/8,918,399.76 - Step 6: Final answer
x = 7,241,501.48
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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.