Finding the Fourth Proportional to 19,964,868.24, 27,551,536.56 and 10,797,511.20
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Solution
The fourth proportional to 19,964,868.24, 27,551,536.56 and 10,797,511.20 is: 14,900,575.40
Step by Step Solution
- Step 1: Write the proportion equation
19,964,868.24 : 27,551,536.56 = 10,797,511.20 : x - Step 2: Convert to fraction form
19,964,868.24/27,551,536.56 = 10,797,511.20/x - Step 3: Cross multiply
19,964,868.24x = 27,551,536.56 × 10,797,511.20 - Step 4: Simplify right side
19,964,868.24x = 297,488,024,583,809.44 - Step 5: Solve for x
x = 297,488,024,583,809.44/19,964,868.24 - Step 6: Final answer
x = 14,900,575.40
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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.