Finding the Fourth Proportional to 18,853,638.28, 28,280,420.48 and 5,206,750.08
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Solution
The fourth proportional to 18,853,638.28, 28,280,420.48 and 5,206,750.08 is: 7,810,114.92
Step by Step Solution
- Step 1: Write the proportion equation
18,853,638.28 : 28,280,420.48 = 5,206,750.08 : x - Step 2: Convert to fraction form
18,853,638.28/28,280,420.48 = 5,206,750.08/x - Step 3: Cross multiply
18,853,638.28x = 28,280,420.48 × 5,206,750.08 - Step 4: Simplify right side
18,853,638.28x = 147,249,081,596,673.66 - Step 5: Solve for x
x = 147,249,081,596,673.66/18,853,638.28 - Step 6: Final answer
x = 7,810,114.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.