Finding the Fourth Proportional to 7,769,875.20, 11,652,824.74 and 2,303,691.80
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Solution
The fourth proportional to 7,769,875.20, 11,652,824.74 and 2,303,691.80 is: 3,454,948.26
Step by Step Solution
- Step 1: Write the proportion equation
7,769,875.20 : 11,652,824.74 = 2,303,691.80 : x - Step 2: Convert to fraction form
7,769,875.20/11,652,824.74 = 2,303,691.80/x - Step 3: Cross multiply
7,769,875.20x = 11,652,824.74 × 2,303,691.80 - Step 4: Simplify right side
7,769,875.20x = 26,844,516,800,375.13 - Step 5: Solve for x
x = 26,844,516,800,375.13/7,769,875.20 - Step 6: Final answer
x = 3,454,948.26
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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.