Finding the Fourth Proportional to 11,405,149.92, 17,114,373.36 and 4,221,681.12
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Solution
The fourth proportional to 11,405,149.92, 17,114,373.36 and 4,221,681.12 is: 6,334,982.65
Step by Step Solution
- Step 1: Write the proportion equation
11,405,149.92 : 17,114,373.36 = 4,221,681.12 : x - Step 2: Convert to fraction form
11,405,149.92/17,114,373.36 = 4,221,681.12/x - Step 3: Cross multiply
11,405,149.92x = 17,114,373.36 × 4,221,681.12 - Step 4: Simplify right side
11,405,149.92x = 72,251,426,894,542.97 - Step 5: Solve for x
x = 72,251,426,894,542.97/11,405,149.92 - Step 6: Final answer
x = 6,334,982.65
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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.