Finding the Fourth Proportional to 48,218,289.79, 66,541,189.34 and 26,191,806.70
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Solution
The fourth proportional to 48,218,289.79, 66,541,189.34 and 26,191,806.70 is: 36,144,665.77
Step by Step Solution
- Step 1: Write the proportion equation
48,218,289.79 : 66,541,189.34 = 26,191,806.70 : x - Step 2: Convert to fraction form
48,218,289.79/66,541,189.34 = 26,191,806.70/x - Step 3: Cross multiply
48,218,289.79x = 66,541,189.34 × 26,191,806.70 - Step 4: Simplify right side
48,218,289.79x = 1,742,833,968,317,715.75 - Step 5: Solve for x
x = 1,742,833,968,317,715.75/48,218,289.79 - Step 6: Final answer
x = 36,144,665.77
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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.