Finding the Fourth Proportional to 43,783,319.70, 65,681,200.35 and 13,488,023.70
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Solution
The fourth proportional to 43,783,319.70, 65,681,200.35 and 13,488,023.70 is: 20,233,951.95
Step by Step Solution
- Step 1: Write the proportion equation
43,783,319.70 : 65,681,200.35 = 13,488,023.70 : x - Step 2: Convert to fraction form
43,783,319.70/65,681,200.35 = 13,488,023.70/x - Step 3: Cross multiply
43,783,319.70x = 65,681,200.35 × 13,488,023.70 - Step 4: Simplify right side
43,783,319.70x = 885,909,586,965,248.25 - Step 5: Solve for x
x = 885,909,586,965,248.25/43,783,319.70 - Step 6: Final answer
x = 20,233,951.95
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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.