Finding the Fourth Proportional to 42,382,884.68, 63,583,803.84 and 15,456,540.68
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Solution
The fourth proportional to 42,382,884.68, 63,583,803.84 and 15,456,540.68 is: 23,188,267.11
Step by Step Solution
- Step 1: Write the proportion equation
42,382,884.68 : 63,583,803.84 = 15,456,540.68 : x - Step 2: Convert to fraction form
42,382,884.68/63,583,803.84 = 15,456,540.68/x - Step 3: Cross multiply
42,382,884.68x = 63,583,803.84 × 15,456,540.68 - Step 4: Simplify right side
42,382,884.68x = 982,785,650,642,100.25 - Step 5: Solve for x
x = 982,785,650,642,100.25/42,382,884.68 - Step 6: Final answer
x = 23,188,267.11
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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.