Finding the Fourth Proportional to 47,888,966.20, 71,833,449.30 and 28,741,343.80
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Solution
The fourth proportional to 47,888,966.20, 71,833,449.30 and 28,741,343.80 is: 43,112,015.70
Step by Step Solution
- Step 1: Write the proportion equation
47,888,966.20 : 71,833,449.30 = 28,741,343.80 : x - Step 2: Convert to fraction form
47,888,966.20/71,833,449.30 = 28,741,343.80/x - Step 3: Cross multiply
47,888,966.20x = 71,833,449.30 × 28,741,343.80 - Step 4: Simplify right side
47,888,966.20x = 2,064,589,862,671,169.25 - Step 5: Solve for x
x = 2,064,589,862,671,169.25/47,888,966.20 - Step 6: Final answer
x = 43,112,015.70
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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.