Finding the Fourth Proportional to 14,666,536.08, 20,239,515.36 and 8,139,782.88
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Solution
The fourth proportional to 14,666,536.08, 20,239,515.36 and 8,139,782.88 is: 11,232,731.42
Step by Step Solution
- Step 1: Write the proportion equation
14,666,536.08 : 20,239,515.36 = 8,139,782.88 : x - Step 2: Convert to fraction form
14,666,536.08/20,239,515.36 = 8,139,782.88/x - Step 3: Cross multiply
14,666,536.08x = 20,239,515.36 × 8,139,782.88 - Step 4: Simplify right side
14,666,536.08x = 164,745,260,626,825.03 - Step 5: Solve for x
x = 164,745,260,626,825.03/14,666,536.08 - Step 6: Final answer
x = 11,232,731.42
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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.