Finding the Fourth Proportional to 8,686,112.19, 13,020,696.37 and 4,135,938.40
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Solution
The fourth proportional to 8,686,112.19, 13,020,696.37 and 4,135,938.40 is: 6,199,873.65
Step by Step Solution
- Step 1: Write the proportion equation
8,686,112.19 : 13,020,696.37 = 4,135,938.40 : x - Step 2: Convert to fraction form
8,686,112.19/13,020,696.37 = 4,135,938.40/x - Step 3: Cross multiply
8,686,112.19x = 13,020,696.37 × 4,135,938.40 - Step 4: Simplify right side
8,686,112.19x = 53,852,798,111,423.60 - Step 5: Solve for x
x = 53,852,798,111,423.60/8,686,112.19 - Step 6: Final answer
x = 6,199,873.65
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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.