Finding the Fourth Proportional to 19,092,771.44, 28,605,739.80 and 13,007,750.12
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Solution
The fourth proportional to 19,092,771.44, 28,605,739.80 and 13,007,750.12 is: 19,488,858.20
Step by Step Solution
- Step 1: Write the proportion equation
19,092,771.44 : 28,605,739.80 = 13,007,750.12 : x - Step 2: Convert to fraction form
19,092,771.44/28,605,739.80 = 13,007,750.12/x - Step 3: Cross multiply
19,092,771.44x = 28,605,739.80 × 13,007,750.12 - Step 4: Simplify right side
19,092,771.44x = 372,096,315,316,138.75 - Step 5: Solve for x
x = 372,096,315,316,138.75/19,092,771.44 - Step 6: Final answer
x = 19,488,858.20
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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.