Finding the Fourth Proportional to 19,038,238.56, 28,556,812.84 and 5,391,352.66
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Solution
The fourth proportional to 19,038,238.56, 28,556,812.84 and 5,391,352.66 is: 8,086,874.66
Step by Step Solution
- Step 1: Write the proportion equation
19,038,238.56 : 28,556,812.84 = 5,391,352.66 : x - Step 2: Convert to fraction form
19,038,238.56/28,556,812.84 = 5,391,352.66/x - Step 3: Cross multiply
19,038,238.56x = 28,556,812.84 × 5,391,352.66 - Step 4: Simplify right side
19,038,238.56x = 153,959,848,941,817.81 - Step 5: Solve for x
x = 153,959,848,941,817.81/19,038,238.56 - Step 6: Final answer
x = 8,086,874.66
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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.