Finding the Fourth Proportional to 19,096,971.26, 28,645,173.38 and 4,720,038.26
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Solution
The fourth proportional to 19,096,971.26, 28,645,173.38 and 4,720,038.26 is: 7,079,987.31
Step by Step Solution
- Step 1: Write the proportion equation
19,096,971.26 : 28,645,173.38 = 4,720,038.26 : x - Step 2: Convert to fraction form
19,096,971.26/28,645,173.38 = 4,720,038.26/x - Step 3: Cross multiply
19,096,971.26x = 28,645,173.38 × 4,720,038.26 - Step 4: Simplify right side
19,096,971.26x = 135,206,314,186,507.75 - Step 5: Solve for x
x = 135,206,314,186,507.75/19,096,971.26 - Step 6: Final answer
x = 7,079,987.31
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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.