Finding the Fourth Proportional to 17,717,206.40, 26,559,220.80 and 13,876,899.20
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Solution
The fourth proportional to 17,717,206.40, 26,559,220.80 and 13,876,899.20 is: 20,802,355.72
Step by Step Solution
- Step 1: Write the proportion equation
17,717,206.40 : 26,559,220.80 = 13,876,899.20 : x - Step 2: Convert to fraction form
17,717,206.40/26,559,220.80 = 13,876,899.20/x - Step 3: Cross multiply
17,717,206.40x = 26,559,220.80 × 13,876,899.20 - Step 4: Simplify right side
17,717,206.40x = 368,559,629,872,143.38 - Step 5: Solve for x
x = 368,559,629,872,143.38/17,717,206.40 - Step 6: Final answer
x = 20,802,355.72
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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.