Finding the Fourth Proportional to 47,236,599.40, 70,810,316.70 and 25,639,364.20
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Solution
The fourth proportional to 47,236,599.40, 70,810,316.70 and 25,639,364.20 is: 38,434,847.60
Step by Step Solution
- Step 1: Write the proportion equation
47,236,599.40 : 70,810,316.70 = 25,639,364.20 : x - Step 2: Convert to fraction form
47,236,599.40/70,810,316.70 = 25,639,364.20/x - Step 3: Cross multiply
47,236,599.40x = 70,810,316.70 × 25,639,364.20 - Step 4: Simplify right side
47,236,599.40x = 1,815,531,498,988,642.25 - Step 5: Solve for x
x = 1,815,531,498,988,642.25/47,236,599.40 - Step 6: Final answer
x = 38,434,847.60
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.