Finding the Fourth Proportional to 17,742,913.80, 26,614,370.70 and 8,176,975.80
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Solution
The fourth proportional to 17,742,913.80, 26,614,370.70 and 8,176,975.80 is: 12,265,463.70
Step by Step Solution
- Step 1: Write the proportion equation
17,742,913.80 : 26,614,370.70 = 8,176,975.80 : x - Step 2: Convert to fraction form
17,742,913.80/26,614,370.70 = 8,176,975.80/x - Step 3: Cross multiply
17,742,913.80x = 26,614,370.70 × 8,176,975.80 - Step 4: Simplify right side
17,742,913.80x = 217,625,065,146,129.06 - Step 5: Solve for x
x = 217,625,065,146,129.06/17,742,913.80 - Step 6: Final answer
x = 12,265,463.70
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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.