Finding the Fourth Proportional to 14,999,467.08, 20,699,168.14 and 8,475,208.68
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Solution
The fourth proportional to 14,999,467.08, 20,699,168.14 and 8,475,208.68 is: 11,695,733.49
Step by Step Solution
- Step 1: Write the proportion equation
14,999,467.08 : 20,699,168.14 = 8,475,208.68 : x - Step 2: Convert to fraction form
14,999,467.08/20,699,168.14 = 8,475,208.68/x - Step 3: Cross multiply
14,999,467.08x = 20,699,168.14 × 8,475,208.68 - Step 4: Simplify right side
14,999,467.08x = 175,429,769,343,035.59 - Step 5: Solve for x
x = 175,429,769,343,035.59/14,999,467.08 - Step 6: Final answer
x = 11,695,733.49
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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.