Finding the Fourth Proportional to 16,734,587.70, 25,101,881.55 and 13,900,235.70
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Solution
The fourth proportional to 16,734,587.70, 25,101,881.55 and 13,900,235.70 is: 20,850,353.55
Step by Step Solution
- Step 1: Write the proportion equation
16,734,587.70 : 25,101,881.55 = 13,900,235.70 : x - Step 2: Convert to fraction form
16,734,587.70/25,101,881.55 = 13,900,235.70/x - Step 3: Cross multiply
16,734,587.70x = 25,101,881.55 × 13,900,235.70 - Step 4: Simplify right side
16,734,587.70x = 348,922,070,058,481.31 - Step 5: Solve for x
x = 348,922,070,058,481.31/16,734,587.70 - Step 6: Final answer
x = 20,850,353.55
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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.