Finding the Fourth Proportional to 13,303,874.70, 19,955,812.04 and 3,206,495.70
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Solution
The fourth proportional to 13,303,874.70, 19,955,812.04 and 3,206,495.70 is: 4,809,743.55
Step by Step Solution
- Step 1: Write the proportion equation
13,303,874.70 : 19,955,812.04 = 3,206,495.70 : x - Step 2: Convert to fraction form
13,303,874.70/19,955,812.04 = 3,206,495.70/x - Step 3: Cross multiply
13,303,874.70x = 19,955,812.04 × 3,206,495.70 - Step 4: Simplify right side
13,303,874.70x = 63,988,225,480,235.75 - Step 5: Solve for x
x = 63,988,225,480,235.75/13,303,874.70 - Step 6: Final answer
x = 4,809,743.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.