Finding the Fourth Proportional to 13,116,536.14, 19,648,455.11 and 6,531,406.26
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Solution
The fourth proportional to 13,116,536.14, 19,648,455.11 and 6,531,406.26 is: 9,783,988.80
Step by Step Solution
- Step 1: Write the proportion equation
13,116,536.14 : 19,648,455.11 = 6,531,406.26 : x - Step 2: Convert to fraction form
13,116,536.14/19,648,455.11 = 6,531,406.26/x - Step 3: Cross multiply
13,116,536.14x = 19,648,455.11 × 6,531,406.26 - Step 4: Simplify right side
13,116,536.14x = 128,332,042,704,782.98 - Step 5: Solve for x
x = 128,332,042,704,782.98/13,116,536.14 - Step 6: Final answer
x = 9,783,988.80
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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.