Finding the Fourth Proportional to 13,225,113.07, 18,251,261.69 and 7,344,774.07
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Solution
The fourth proportional to 13,225,113.07, 18,251,261.69 and 7,344,774.07 is: 10,136,124.57
Step by Step Solution
- Step 1: Write the proportion equation
13,225,113.07 : 18,251,261.69 = 7,344,774.07 : x - Step 2: Convert to fraction form
13,225,113.07/18,251,261.69 = 7,344,774.07/x - Step 3: Cross multiply
13,225,113.07x = 18,251,261.69 × 7,344,774.07 - Step 4: Simplify right side
13,225,113.07x = 134,051,393,523,144.34 - Step 5: Solve for x
x = 134,051,393,523,144.34/13,225,113.07 - Step 6: Final answer
x = 10,136,124.57
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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.