Finding the Fourth Proportional to 11,438,793.74, 15,785,471.61 and 6,211,751.66
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Solution
The fourth proportional to 11,438,793.74, 15,785,471.61 and 6,211,751.66 is: 8,572,182.67
Step by Step Solution
- Step 1: Write the proportion equation
11,438,793.74 : 15,785,471.61 = 6,211,751.66 : x - Step 2: Convert to fraction form
11,438,793.74/15,785,471.61 = 6,211,751.66/x - Step 3: Cross multiply
11,438,793.74x = 15,785,471.61 × 6,211,751.66 - Step 4: Simplify right side
11,438,793.74x = 98,055,429,398,373.02 - Step 5: Solve for x
x = 98,055,429,398,373.02/11,438,793.74 - Step 6: Final answer
x = 8,572,182.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.