Finding the Fourth Proportional to 40,368,076.66, 55,780,816.26 and 28,745,462.08
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Solution
The fourth proportional to 40,368,076.66, 55,780,816.26 and 28,745,462.08 is: 39,720,627.57
Step by Step Solution
- Step 1: Write the proportion equation
40,368,076.66 : 55,780,816.26 = 28,745,462.08 : x - Step 2: Convert to fraction form
40,368,076.66/55,780,816.26 = 28,745,462.08/x - Step 3: Cross multiply
40,368,076.66x = 55,780,816.26 × 28,745,462.08 - Step 4: Simplify right side
40,368,076.66x = 1,603,445,338,593,277.25 - Step 5: Solve for x
x = 1,603,445,338,593,277.25/40,368,076.66 - Step 6: Final answer
x = 39,720,627.57
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.