Finding the Fourth Proportional to 7,124,860.10, 10,688,586.15 and 2,331,215.30
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Solution
The fourth proportional to 7,124,860.10, 10,688,586.15 and 2,331,215.30 is: 3,497,246.99
Step by Step Solution
- Step 1: Write the proportion equation
7,124,860.10 : 10,688,586.15 = 2,331,215.30 : x - Step 2: Convert to fraction form
7,124,860.10/10,688,586.15 = 2,331,215.30/x - Step 3: Cross multiply
7,124,860.10x = 10,688,586.15 × 2,331,215.30 - Step 4: Simplify right side
7,124,860.10x = 24,917,395,568,248.09 - Step 5: Solve for x
x = 24,917,395,568,248.09/7,124,860.10 - Step 6: Final answer
x = 3,497,246.99
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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.