Finding the Fourth Proportional to 13,357,971.41, 18,434,035.62 and 7,246,399.91
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Solution
The fourth proportional to 13,357,971.41, 18,434,035.62 and 7,246,399.91 is: 10,000,050.90
Step by Step Solution
- Step 1: Write the proportion equation
13,357,971.41 : 18,434,035.62 = 7,246,399.91 : x - Step 2: Convert to fraction form
13,357,971.41/18,434,035.62 = 7,246,399.91/x - Step 3: Cross multiply
13,357,971.41x = 18,434,035.62 × 7,246,399.91 - Step 4: Simplify right side
13,357,971.41x = 133,580,394,057,704.80 - Step 5: Solve for x
x = 133,580,394,057,704.80/13,357,971.41 - Step 6: Final answer
x = 10,000,050.90
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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.