Finding the Fourth Proportional to 7,256,056.47, 10,885,659.35 and 2,207,235.75
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Solution
The fourth proportional to 7,256,056.47, 10,885,659.35 and 2,207,235.75 is: 3,311,332.62
Step by Step Solution
- Step 1: Write the proportion equation
7,256,056.47 : 10,885,659.35 = 2,207,235.75 : x - Step 2: Convert to fraction form
7,256,056.47/10,885,659.35 = 2,207,235.75/x - Step 3: Cross multiply
7,256,056.47x = 10,885,659.35 × 2,207,235.75 - Step 4: Simplify right side
7,256,056.47x = 24,027,216,468,605.59 - Step 5: Solve for x
x = 24,027,216,468,605.59/7,256,056.47 - Step 6: Final answer
x = 3,311,332.62
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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.