Finding the Fourth Proportional to 12,312,565.12, 18,468,847.84 and 3,337,117.12
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Solution
The fourth proportional to 12,312,565.12, 18,468,847.84 and 3,337,117.12 is: 5,005,675.72
Step by Step Solution
- Step 1: Write the proportion equation
12,312,565.12 : 18,468,847.84 = 3,337,117.12 : x - Step 2: Convert to fraction form
12,312,565.12/18,468,847.84 = 3,337,117.12/x - Step 3: Cross multiply
12,312,565.12x = 18,468,847.84 × 3,337,117.12 - Step 4: Simplify right side
12,312,565.12x = 61,632,708,313,539.02 - Step 5: Solve for x
x = 61,632,708,313,539.02/12,312,565.12 - Step 6: Final answer
x = 5,005,675.72
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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.