Finding the Fourth Proportional to 7,769,529.60, 11,655,358.00 and 2,650,585.12
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Solution
The fourth proportional to 7,769,529.60, 11,655,358.00 and 2,650,585.12 is: 3,976,240.52
Step by Step Solution
- Step 1: Write the proportion equation
7,769,529.60 : 11,655,358.00 = 2,650,585.12 : x - Step 2: Convert to fraction form
7,769,529.60/11,655,358.00 = 2,650,585.12/x - Step 3: Cross multiply
7,769,529.60x = 11,655,358.00 × 2,650,585.12 - Step 4: Simplify right side
7,769,529.60x = 30,893,518,447,308.11 - Step 5: Solve for x
x = 30,893,518,447,308.11/7,769,529.60 - Step 6: Final answer
x = 3,976,240.52
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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.