Finding the Fourth Proportional to 23,579,690.20, 32,539,639.08 and 13,266,388.68
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Solution
The fourth proportional to 23,579,690.20, 32,539,639.08 and 13,266,388.68 is: 18,307,428.80
Step by Step Solution
- Step 1: Write the proportion equation
23,579,690.20 : 32,539,639.08 = 13,266,388.68 : x - Step 2: Convert to fraction form
23,579,690.20/32,539,639.08 = 13,266,388.68/x - Step 3: Cross multiply
23,579,690.20x = 32,539,639.08 × 13,266,388.68 - Step 4: Simplify right side
23,579,690.20x = 431,683,499,542,197.56 - Step 5: Solve for x
x = 431,683,499,542,197.56/23,579,690.20 - Step 6: Final answer
x = 18,307,428.80
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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.