Finding the Fourth Proportional to 13,337,056.26, 18,405,156.42 and 7,225,484.76
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Solution
The fourth proportional to 13,337,056.26, 18,405,156.42 and 7,225,484.76 is: 9,971,179.14
Step by Step Solution
- Step 1: Write the proportion equation
13,337,056.26 : 18,405,156.42 = 7,225,484.76 : x - Step 2: Convert to fraction form
13,337,056.26/18,405,156.42 = 7,225,484.76/x - Step 3: Cross multiply
13,337,056.26x = 18,405,156.42 × 7,225,484.76 - Step 4: Simplify right side
13,337,056.26x = 132,986,177,218,126.17 - Step 5: Solve for x
x = 132,986,177,218,126.17/13,337,056.26 - Step 6: Final answer
x = 9,971,179.14
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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.