Finding the Fourth Proportional to 17,392,943.40, 26,089,415.10 and 10,926,421.80
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Solution
The fourth proportional to 17,392,943.40, 26,089,415.10 and 10,926,421.80 is: 16,389,632.70
Step by Step Solution
- Step 1: Write the proportion equation
17,392,943.40 : 26,089,415.10 = 10,926,421.80 : x - Step 2: Convert to fraction form
17,392,943.40/26,089,415.10 = 10,926,421.80/x - Step 3: Cross multiply
17,392,943.40x = 26,089,415.10 × 10,926,421.80 - Step 4: Simplify right side
17,392,943.40x = 285,063,953,897,889.19 - Step 5: Solve for x
x = 285,063,953,897,889.19/17,392,943.40 - Step 6: Final answer
x = 16,389,632.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.