Finding the Fourth Proportional to 12,020,347.08, 16,581,803.04 and 7,375,168.08
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Solution
The fourth proportional to 12,020,347.08, 16,581,803.04 and 7,375,168.08 is: 10,173,881.31
Step by Step Solution
- Step 1: Write the proportion equation
12,020,347.08 : 16,581,803.04 = 7,375,168.08 : x - Step 2: Convert to fraction form
12,020,347.08/16,581,803.04 = 7,375,168.08/x - Step 3: Cross multiply
12,020,347.08x = 16,581,803.04 × 7,375,168.08 - Step 4: Simplify right side
12,020,347.08x = 122,293,584,489,454.95 - Step 5: Solve for x
x = 122,293,584,489,454.95/12,020,347.08 - Step 6: Final answer
x = 10,173,881.31
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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.