Finding the Fourth Proportional to 12,713,671.98, 17,545,467.15 and 7,207,153.56
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Solution
The fourth proportional to 12,713,671.98, 17,545,467.15 and 7,207,153.56 is: 9,946,211.94
Step by Step Solution
- Step 1: Write the proportion equation
12,713,671.98 : 17,545,467.15 = 7,207,153.56 : x - Step 2: Convert to fraction form
12,713,671.98/17,545,467.15 = 7,207,153.56/x - Step 3: Cross multiply
12,713,671.98x = 17,545,467.15 × 7,207,153.56 - Step 4: Simplify right side
12,713,671.98x = 126,452,876,031,985.53 - Step 5: Solve for x
x = 126,452,876,031,985.53/12,713,671.98 - Step 6: Final answer
x = 9,946,211.94
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1.5x scale
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.