Finding the Fourth Proportional to 36,982,245.28, 51,032,727.12 and 20,681,572
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Solution
The fourth proportional to 36,982,245.28, 51,032,727.12 and 20,681,572 is: 28,539,019.53
Step by Step Solution
- Step 1: Write the proportion equation
36,982,245.28 : 51,032,727.12 = 20,681,572 : x - Step 2: Convert to fraction form
36,982,245.28/51,032,727.12 = 20,681,572/x - Step 3: Cross multiply
36,982,245.28x = 51,032,727.12 × 20,681,572 - Step 4: Simplify right side
36,982,245.28x = 1,055,437,020,288,632.62 - Step 5: Solve for x
x = 1,055,437,020,288,632.62/36,982,245.28 - Step 6: Final answer
x = 28,539,019.53
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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.