Finding the Fourth Proportional to 7,386,215.20, 11,079,322.80 and 2,337,920.80
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Solution
The fourth proportional to 7,386,215.20, 11,079,322.80 and 2,337,920.80 is: 3,506,881.20
Step by Step Solution
- Step 1: Write the proportion equation
7,386,215.20 : 11,079,322.80 = 2,337,920.80 : x - Step 2: Convert to fraction form
7,386,215.20/11,079,322.80 = 2,337,920.80/x - Step 3: Cross multiply
7,386,215.20x = 11,079,322.80 × 2,337,920.80 - Step 4: Simplify right side
7,386,215.20x = 25,902,579,224,034.24 - Step 5: Solve for x
x = 25,902,579,224,034.24/7,386,215.20 - Step 6: Final answer
x = 3,506,881.20
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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.