Finding the Fourth Proportional to 18,597,946.28, 25,667,242.07 and 11,259,823.19
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Solution
The fourth proportional to 18,597,946.28, 25,667,242.07 and 11,259,823.19 is: 15,539,813.00
Step by Step Solution
- Step 1: Write the proportion equation
18,597,946.28 : 25,667,242.07 = 11,259,823.19 : x - Step 2: Convert to fraction form
18,597,946.28/25,667,242.07 = 11,259,823.19/x - Step 3: Cross multiply
18,597,946.28x = 25,667,242.07 × 11,259,823.19 - Step 4: Simplify right side
18,597,946.28x = 289,008,607,298,494.31 - Step 5: Solve for x
x = 289,008,607,298,494.31/18,597,946.28 - Step 6: Final answer
x = 15,539,813.00
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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.