Finding the Fourth Proportional to 15,178,974.80, 22,731,973.08 and 8,682,360.08
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Solution
The fourth proportional to 15,178,974.80, 22,731,973.08 and 8,682,360.08 is: 13,002,668.38
Step by Step Solution
- Step 1: Write the proportion equation
15,178,974.80 : 22,731,973.08 = 8,682,360.08 : x - Step 2: Convert to fraction form
15,178,974.80/22,731,973.08 = 8,682,360.08/x - Step 3: Cross multiply
15,178,974.80x = 22,731,973.08 × 8,682,360.08 - Step 4: Simplify right side
15,178,974.80x = 197,367,175,609,426.62 - Step 5: Solve for x
x = 197,367,175,609,426.62/15,178,974.80 - Step 6: Final answer
x = 13,002,668.38
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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.