Finding the Fourth Proportional to 29,287,741.12, 43,931,122.68 and 7,130,117.48
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Solution
The fourth proportional to 29,287,741.12, 43,931,122.68 and 7,130,117.48 is: 10,695,057.17
Step by Step Solution
- Step 1: Write the proportion equation
29,287,741.12 : 43,931,122.68 = 7,130,117.48 : x - Step 2: Convert to fraction form
29,287,741.12/43,931,122.68 = 7,130,117.48/x - Step 3: Cross multiply
29,287,741.12x = 43,931,122.68 × 7,130,117.48 - Step 4: Simplify right side
29,287,741.12x = 313,234,065,736,692.44 - Step 5: Solve for x
x = 313,234,065,736,692.44/29,287,741.12 - Step 6: Final answer
x = 10,695,057.17
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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.