Finding the Fourth Proportional to 38,177,151.36, 52,683,687.04 and 20,773,841.28
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Solution
The fourth proportional to 38,177,151.36, 52,683,687.04 and 20,773,841.28 is: 28,667,475.54
Step by Step Solution
- Step 1: Write the proportion equation
38,177,151.36 : 52,683,687.04 = 20,773,841.28 : x - Step 2: Convert to fraction form
38,177,151.36/52,683,687.04 = 20,773,841.28/x - Step 3: Cross multiply
38,177,151.36x = 52,683,687.04 × 20,773,841.28 - Step 4: Simplify right side
38,177,151.36x = 1,094,442,552,614,153 - Step 5: Solve for x
x = 1,094,442,552,614,153/38,177,151.36 - Step 6: Final answer
x = 28,667,475.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.