Finding the Fourth Proportional to 14,303,536.40, 19,738,336.04 and 7,777,171.18
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Solution
The fourth proportional to 14,303,536.40, 19,738,336.04 and 7,777,171.18 is: 10,732,200.34
Step by Step Solution
- Step 1: Write the proportion equation
14,303,536.40 : 19,738,336.04 = 7,777,171.18 : x - Step 2: Convert to fraction form
14,303,536.40/19,738,336.04 = 7,777,171.18/x - Step 3: Cross multiply
14,303,536.40x = 19,738,336.04 × 7,777,171.18 - Step 4: Simplify right side
14,303,536.40x = 153,508,418,191,443.31 - Step 5: Solve for x
x = 153,508,418,191,443.31/14,303,536.40 - Step 6: Final answer
x = 10,732,200.34
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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.