Finding the Fourth Proportional to 13,807,438.41, 20,711,261.39 and 6,129,018.99
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Solution
The fourth proportional to 13,807,438.41, 20,711,261.39 and 6,129,018.99 is: 9,193,574.55
Step by Step Solution
- Step 1: Write the proportion equation
13,807,438.41 : 20,711,261.39 = 6,129,018.99 : x - Step 2: Convert to fraction form
13,807,438.41/20,711,261.39 = 6,129,018.99/x - Step 3: Cross multiply
13,807,438.41x = 20,711,261.39 × 6,129,018.99 - Step 4: Simplify right side
13,807,438.41x = 126,939,714,358,502.53 - Step 5: Solve for x
x = 126,939,714,358,502.53/13,807,438.41 - Step 6: Final answer
x = 9,193,574.55
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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.