Finding the Fourth Proportional to 19,079,847.18, 26,327,796.93 and 12,898,344.06
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Solution
The fourth proportional to 19,079,847.18, 26,327,796.93 and 12,898,344.06 is: 17,798,097.64
Step by Step Solution
- Step 1: Write the proportion equation
19,079,847.18 : 26,327,796.93 = 12,898,344.06 : x - Step 2: Convert to fraction form
19,079,847.18/26,327,796.93 = 12,898,344.06/x - Step 3: Cross multiply
19,079,847.18x = 26,327,796.93 × 12,898,344.06 - Step 4: Simplify right side
19,079,847.18x = 339,584,983,144,951.75 - Step 5: Solve for x
x = 339,584,983,144,951.75/19,079,847.18 - Step 6: Final answer
x = 17,798,097.64
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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.