Finding the Fourth Proportional to 20,050,656.29, 27,669,189.70 and 11,348,642.01
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Solution
The fourth proportional to 20,050,656.29, 27,669,189.70 and 11,348,642.01 is: 15,660,720.73
Step by Step Solution
- Step 1: Write the proportion equation
20,050,656.29 : 27,669,189.70 = 11,348,642.01 : x - Step 2: Convert to fraction form
20,050,656.29/27,669,189.70 = 11,348,642.01/x - Step 3: Cross multiply
20,050,656.29x = 27,669,189.70 × 11,348,642.01 - Step 4: Simplify right side
20,050,656.29x = 314,007,728,612,079.31 - Step 5: Solve for x
x = 314,007,728,612,079.31/20,050,656.29 - Step 6: Final answer
x = 15,660,720.73
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.