Finding the Fourth Proportional to 13,337,718.80, 18,723,194.80 and 13,337,718.80
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Solution
The fourth proportional to 13,337,718.80, 18,723,194.80 and 13,337,718.80 is: 18,723,194.80
Step by Step Solution
- Step 1: Write the proportion equation
13,337,718.80 : 18,723,194.80 = 13,337,718.80 : x - Step 2: Convert to fraction form
13,337,718.80/18,723,194.80 = 13,337,718.80/x - Step 3: Cross multiply
13,337,718.80x = 18,723,194.80 × 13,337,718.80 - Step 4: Simplify right side
13,337,718.80x = 249,724,707,280,022.25 - Step 5: Solve for x
x = 249,724,707,280,022.25/13,337,718.80 - Step 6: Final answer
x = 18,723,194.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.