Finding the Fourth Proportional to 24,819,477.36, 37,229,226.84 and 7,781,478.72
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Solution
The fourth proportional to 24,819,477.36, 37,229,226.84 and 7,781,478.72 is: 11,672,221.47
Step by Step Solution
- Step 1: Write the proportion equation
24,819,477.36 : 37,229,226.84 = 7,781,478.72 : x - Step 2: Convert to fraction form
24,819,477.36/37,229,226.84 = 7,781,478.72/x - Step 3: Cross multiply
24,819,477.36x = 37,229,226.84 × 7,781,478.72 - Step 4: Simplify right side
24,819,477.36x = 289,698,436,417,512.88 - Step 5: Solve for x
x = 289,698,436,417,512.88/24,819,477.36 - Step 6: Final answer
x = 11,672,221.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.