Finding the Fourth Proportional to 7,417,129.08, 11,129,487.39 and 3,530,977.14
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Solution
The fourth proportional to 7,417,129.08, 11,129,487.39 and 3,530,977.14 is: 5,298,271.76
Step by Step Solution
- Step 1: Write the proportion equation
7,417,129.08 : 11,129,487.39 = 3,530,977.14 : x - Step 2: Convert to fraction form
7,417,129.08/11,129,487.39 = 3,530,977.14/x - Step 3: Cross multiply
7,417,129.08x = 11,129,487.39 × 3,530,977.14 - Step 4: Simplify right side
7,417,129.08x = 39,297,965,554,008.27 - Step 5: Solve for x
x = 39,297,965,554,008.27/7,417,129.08 - Step 6: Final answer
x = 5,298,271.76
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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.