Finding the Fourth Proportional to 40,669,534.85, 56,123,754.12 and 22,084,508.99
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Solution
The fourth proportional to 40,669,534.85, 56,123,754.12 and 22,084,508.99 is: 30,476,511.65
Step by Step Solution
- Step 1: Write the proportion equation
40,669,534.85 : 56,123,754.12 = 22,084,508.99 : x - Step 2: Convert to fraction form
40,669,534.85/56,123,754.12 = 22,084,508.99/x - Step 3: Cross multiply
40,669,534.85x = 56,123,754.12 × 22,084,508.99 - Step 4: Simplify right side
40,669,534.85x = 1,239,465,552,555,998.75 - Step 5: Solve for x
x = 1,239,465,552,555,998.75/40,669,534.85 - Step 6: Final answer
x = 30,476,511.65
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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.