Finding the Fourth Proportional to 10,114,466.05, 15,171,699.08 and 8,319,376.45
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Solution
The fourth proportional to 10,114,466.05, 15,171,699.08 and 8,319,376.45 is: 12,479,064.68
Step by Step Solution
- Step 1: Write the proportion equation
10,114,466.05 : 15,171,699.08 = 8,319,376.45 : x - Step 2: Convert to fraction form
10,114,466.05/15,171,699.08 = 8,319,376.45/x - Step 3: Cross multiply
10,114,466.05x = 15,171,699.08 × 8,319,376.45 - Step 4: Simplify right side
10,114,466.05x = 126,219,075,991,041.78 - Step 5: Solve for x
x = 126,219,075,991,041.78/10,114,466.05 - Step 6: Final answer
x = 12,479,064.68
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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.