Finding the Fourth Proportional to 13,410,857.99, 20,116,681.41 and 3,695,618.30
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Solution
The fourth proportional to 13,410,857.99, 20,116,681.41 and 3,695,618.30 is: 5,543,536.14
Step by Step Solution
- Step 1: Write the proportion equation
13,410,857.99 : 20,116,681.41 = 3,695,618.30 : x - Step 2: Convert to fraction form
13,410,857.99/20,116,681.41 = 3,695,618.30/x - Step 3: Cross multiply
13,410,857.99x = 20,116,681.41 × 3,695,618.30 - Step 4: Simplify right side
13,410,857.99x = 74,343,575,853,482.39 - Step 5: Solve for x
x = 74,343,575,853,482.39/13,410,857.99 - Step 6: Final answer
x = 5,543,536.14
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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.