Finding the Fourth Proportional to 10,337,246.60, 15,508,203.12 and 3,420,708.24
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Solution
The fourth proportional to 10,337,246.60, 15,508,203.12 and 3,420,708.24 is: 5,131,834.45
Step by Step Solution
- Step 1: Write the proportion equation
10,337,246.60 : 15,508,203.12 = 3,420,708.24 : x - Step 2: Convert to fraction form
10,337,246.60/15,508,203.12 = 3,420,708.24/x - Step 3: Cross multiply
10,337,246.60x = 15,508,203.12 × 3,420,708.24 - Step 4: Simplify right side
10,337,246.60x = 53,049,038,200,177.71 - Step 5: Solve for x
x = 53,049,038,200,177.71/10,337,246.60 - Step 6: Final answer
x = 5,131,834.45
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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.