Finding the Fourth Proportional to 34,353,562.92, 47,408,015.16 and 19,669,454.46
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Solution
The fourth proportional to 34,353,562.92, 47,408,015.16 and 19,669,454.46 is: 27,143,903.45
Step by Step Solution
- Step 1: Write the proportion equation
34,353,562.92 : 47,408,015.16 = 19,669,454.46 : x - Step 2: Convert to fraction form
34,353,562.92/47,408,015.16 = 19,669,454.46/x - Step 3: Cross multiply
34,353,562.92x = 47,408,015.16 × 19,669,454.46 - Step 4: Simplify right side
34,353,562.92x = 932,489,795,228,609.62 - Step 5: Solve for x
x = 932,489,795,228,609.62/34,353,562.92 - Step 6: Final answer
x = 27,143,903.45
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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.