Finding the Fourth Proportional to 8,533,548.80, 12,781,660.80 and 6,625,318.40
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Solution
The fourth proportional to 8,533,548.80, 12,781,660.80 and 6,625,318.40 is: 9,923,488.39
Step by Step Solution
- Step 1: Write the proportion equation
8,533,548.80 : 12,781,660.80 = 6,625,318.40 : x - Step 2: Convert to fraction form
8,533,548.80/12,781,660.80 = 6,625,318.40/x - Step 3: Cross multiply
8,533,548.80x = 12,781,660.80 × 6,625,318.40 - Step 4: Simplify right side
8,533,548.80x = 84,682,572,480,798.73 - Step 5: Solve for x
x = 84,682,572,480,798.73/8,533,548.80 - Step 6: Final answer
x = 9,923,488.39
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1.5x scale
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.