Finding the Fourth Proportional to 17,420,843.48, 26,129,567.52 and 5,290,412.00
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Solution
The fourth proportional to 17,420,843.48, 26,129,567.52 and 5,290,412.00 is: 7,935,102.43
Step by Step Solution
- Step 1: Write the proportion equation
17,420,843.48 : 26,129,567.52 = 5,290,412.00 : x - Step 2: Convert to fraction form
17,420,843.48/26,129,567.52 = 5,290,412.00/x - Step 3: Cross multiply
17,420,843.48x = 26,129,567.52 × 5,290,412.00 - Step 4: Simplify right side
17,420,843.48x = 138,236,177,431,970.41 - Step 5: Solve for x
x = 138,236,177,431,970.41/17,420,843.48 - Step 6: Final answer
x = 7,935,102.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.