Finding the Fourth Proportional to 38,216,629.81, 57,268,257.64 and 28,069,649.65
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Solution
The fourth proportional to 38,216,629.81, 57,268,257.64 and 28,069,649.65 is: 42,062,838.51
Step by Step Solution
- Step 1: Write the proportion equation
38,216,629.81 : 57,268,257.64 = 28,069,649.65 : x - Step 2: Convert to fraction form
38,216,629.81/57,268,257.64 = 28,069,649.65/x - Step 3: Cross multiply
38,216,629.81x = 57,268,257.64 × 28,069,649.65 - Step 4: Simplify right side
38,216,629.81x = 1,607,499,927,807,391.25 - Step 5: Solve for x
x = 1,607,499,927,807,391.25/38,216,629.81 - Step 6: Final answer
x = 42,062,838.51
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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.