Finding the Fourth Proportional to 16,390,130.51, 22,618,241.39 and 9,047,805.99
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Solution
The fourth proportional to 16,390,130.51, 22,618,241.39 and 9,047,805.99 is: 12,485,895.69
Step by Step Solution
- Step 1: Write the proportion equation
16,390,130.51 : 22,618,241.39 = 9,047,805.99 : x - Step 2: Convert to fraction form
16,390,130.51/22,618,241.39 = 9,047,805.99/x - Step 3: Cross multiply
16,390,130.51x = 22,618,241.39 × 9,047,805.99 - Step 4: Simplify right side
16,390,130.51x = 204,645,459,886,468.91 - Step 5: Solve for x
x = 204,645,459,886,468.91/16,390,130.51 - Step 6: Final answer
x = 12,485,895.69
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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.