Finding the Fourth Proportional to 13,121,239.58, 19,679,616.18 and 3,534,376.10
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Solution
The fourth proportional to 13,121,239.58, 19,679,616.18 and 3,534,376.10 is: 5,300,959.92
Step by Step Solution
- Step 1: Write the proportion equation
13,121,239.58 : 19,679,616.18 = 3,534,376.10 : x - Step 2: Convert to fraction form
13,121,239.58/19,679,616.18 = 3,534,376.10/x - Step 3: Cross multiply
13,121,239.58x = 19,679,616.18 × 3,534,376.10 - Step 4: Simplify right side
13,121,239.58x = 69,555,165,083,765.30 - Step 5: Solve for x
x = 69,555,165,083,765.30/13,121,239.58 - Step 6: Final answer
x = 5,300,959.92
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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.