Finding the Fourth Proportional to 8,225,973.67, 11,353,125.03 and 4,693,777.31
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Solution
The fourth proportional to 8,225,973.67, 11,353,125.03 and 4,693,777.31 is: 6,478,143.84
Step by Step Solution
- Step 1: Write the proportion equation
8,225,973.67 : 11,353,125.03 = 4,693,777.31 : x - Step 2: Convert to fraction form
8,225,973.67/11,353,125.03 = 4,693,777.31/x - Step 3: Cross multiply
8,225,973.67x = 11,353,125.03 × 4,693,777.31 - Step 4: Simplify right side
8,225,973.67x = 53,289,040,663,407.06 - Step 5: Solve for x
x = 53,289,040,663,407.06/8,225,973.67 - Step 6: Final answer
x = 6,478,143.84
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1.5x scale
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.