Finding the Fourth Proportional to 11,572,811.68, 17,347,065.80 and 3,893,790.74
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Solution
The fourth proportional to 11,572,811.68, 17,347,065.80 and 3,893,790.74 is: 5,836,597.54
Step by Step Solution
- Step 1: Write the proportion equation
11,572,811.68 : 17,347,065.80 = 3,893,790.74 : x - Step 2: Convert to fraction form
11,572,811.68/17,347,065.80 = 3,893,790.74/x - Step 3: Cross multiply
11,572,811.68x = 17,347,065.80 × 3,893,790.74 - Step 4: Simplify right side
11,572,811.68x = 67,545,844,178,210.70 - Step 5: Solve for x
x = 67,545,844,178,210.70/11,572,811.68 - Step 6: Final answer
x = 5,836,597.54
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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.