Finding the Fourth Proportional to 32,258,179.20, 48,387,268.80 and 8,323,651.20
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Solution
The fourth proportional to 32,258,179.20, 48,387,268.80 and 8,323,651.20 is: 12,485,476.80
Step by Step Solution
- Step 1: Write the proportion equation
32,258,179.20 : 48,387,268.80 = 8,323,651.20 : x - Step 2: Convert to fraction form
32,258,179.20/48,387,268.80 = 8,323,651.20/x - Step 3: Cross multiply
32,258,179.20x = 48,387,268.80 × 8,323,651.20 - Step 4: Simplify right side
32,258,179.20x = 402,758,748,011,842.56 - Step 5: Solve for x
x = 402,758,748,011,842.56/32,258,179.20 - Step 6: Final answer
x = 12,485,476.80
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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.