Finding the Fourth Proportional to 17,751,926.90, 26,638,387.95 and 11,704,142.90
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Solution
The fourth proportional to 17,751,926.90, 26,638,387.95 and 11,704,142.90 is: 17,563,135.59
Step by Step Solution
- Step 1: Write the proportion equation
17,751,926.90 : 26,638,387.95 = 11,704,142.90 : x - Step 2: Convert to fraction form
17,751,926.90/26,638,387.95 = 11,704,142.90/x - Step 3: Cross multiply
17,751,926.90x = 26,638,387.95 × 11,704,142.90 - Step 4: Simplify right side
17,751,926.90x = 311,779,499,192,438.06 - Step 5: Solve for x
x = 311,779,499,192,438.06/17,751,926.90 - Step 6: Final answer
x = 17,563,135.59
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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.