Finding the Fourth Proportional to 27,312,893.73, 37,691,833.87 and 15,552,171.68
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Solution
The fourth proportional to 27,312,893.73, 37,691,833.87 and 15,552,171.68 is: 21,462,019.99
Step by Step Solution
- Step 1: Write the proportion equation
27,312,893.73 : 37,691,833.87 = 15,552,171.68 : x - Step 2: Convert to fraction form
27,312,893.73/37,691,833.87 = 15,552,171.68/x - Step 3: Cross multiply
27,312,893.73x = 37,691,833.87 × 15,552,171.68 - Step 4: Simplify right side
27,312,893.73x = 586,189,871,280,278.75 - Step 5: Solve for x
x = 586,189,871,280,278.75/27,312,893.73 - Step 6: Final answer
x = 21,462,019.99
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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.