Finding the Fourth Proportional to 10,859,863.51, 16,281,897.21 and 5,099,628.95
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Solution
The fourth proportional to 10,859,863.51, 16,281,897.21 and 5,099,628.95 is: 7,645,734.62
Step by Step Solution
- Step 1: Write the proportion equation
10,859,863.51 : 16,281,897.21 = 5,099,628.95 : x - Step 2: Convert to fraction form
10,859,863.51/16,281,897.21 = 5,099,628.95/x - Step 3: Cross multiply
10,859,863.51x = 16,281,897.21 × 5,099,628.95 - Step 4: Simplify right side
10,859,863.51x = 83,031,634,373,040.23 - Step 5: Solve for x
x = 83,031,634,373,040.23/10,859,863.51 - Step 6: Final answer
x = 7,645,734.62
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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.