Finding the Fourth Proportional to 42,874,260.21, 64,275,237.69 and 18,594,900.63
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Solution
The fourth proportional to 42,874,260.21, 64,275,237.69 and 18,594,900.63 is: 27,876,671.27
Step by Step Solution
- Step 1: Write the proportion equation
42,874,260.21 : 64,275,237.69 = 18,594,900.63 : x - Step 2: Convert to fraction form
42,874,260.21/64,275,237.69 = 18,594,900.63/x - Step 3: Cross multiply
42,874,260.21x = 64,275,237.69 × 18,594,900.63 - Step 4: Simplify right side
42,874,260.21x = 1,195,191,657,815,180.75 - Step 5: Solve for x
x = 1,195,191,657,815,180.75/42,874,260.21 - Step 6: Final answer
x = 27,876,671.27
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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.