Finding the Fourth Proportional to 10,368,749.55, 15,553,124.33 and 4,385,117.55
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Solution
The fourth proportional to 10,368,749.55, 15,553,124.33 and 4,385,117.55 is: 6,577,676.33
Step by Step Solution
- Step 1: Write the proportion equation
10,368,749.55 : 15,553,124.33 = 4,385,117.55 : x - Step 2: Convert to fraction form
10,368,749.55/15,553,124.33 = 4,385,117.55/x - Step 3: Cross multiply
10,368,749.55x = 15,553,124.33 × 4,385,117.55 - Step 4: Simplify right side
10,368,749.55x = 68,202,278,434,889.40 - Step 5: Solve for x
x = 68,202,278,434,889.40/10,368,749.55 - Step 6: Final answer
x = 6,577,676.33
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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.