Finding the Fourth Proportional to 39,280,000.25, 54,206,416.95 and 22,769,701.54
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Solution
The fourth proportional to 39,280,000.25, 54,206,416.95 and 22,769,701.54 is: 31,422,197.75
Step by Step Solution
- Step 1: Write the proportion equation
39,280,000.25 : 54,206,416.95 = 22,769,701.54 : x - Step 2: Convert to fraction form
39,280,000.25/54,206,416.95 = 22,769,701.54/x - Step 3: Cross multiply
39,280,000.25x = 54,206,416.95 × 22,769,701.54 - Step 4: Simplify right side
39,280,000.25x = 1,234,263,935,504,297 - Step 5: Solve for x
x = 1,234,263,935,504,297/39,280,000.25 - Step 6: Final answer
x = 31,422,197.75
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1.5x scale
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.