Finding the Fourth Proportional to 34,898,120.97, 48,158,313.06 and 20,214,073.99
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Solution
The fourth proportional to 34,898,120.97, 48,158,313.06 and 20,214,073.99 is: 27,894,788.50
Step by Step Solution
- Step 1: Write the proportion equation
34,898,120.97 : 48,158,313.06 = 20,214,073.99 : x - Step 2: Convert to fraction form
34,898,120.97/48,158,313.06 = 20,214,073.99/x - Step 3: Cross multiply
34,898,120.97x = 48,158,313.06 × 20,214,073.99 - Step 4: Simplify right side
34,898,120.97x = 973,475,703,671,464.50 - Step 5: Solve for x
x = 973,475,703,671,464.50/34,898,120.97 - Step 6: Final answer
x = 27,894,788.50
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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.