Finding the Fourth Proportional to 10,603,373.21, 15,904,742.69 and 2,927,485.88
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Solution
The fourth proportional to 10,603,373.21, 15,904,742.69 and 2,927,485.88 is: 4,391,141.26
Step by Step Solution
- Step 1: Write the proportion equation
10,603,373.21 : 15,904,742.69 = 2,927,485.88 : x - Step 2: Convert to fraction form
10,603,373.21/15,904,742.69 = 2,927,485.88/x - Step 3: Cross multiply
10,603,373.21x = 15,904,742.69 × 2,927,485.88 - Step 4: Simplify right side
10,603,373.21x = 46,560,909,577,803.22 - Step 5: Solve for x
x = 46,560,909,577,803.22/10,603,373.21 - Step 6: Final answer
x = 4,391,141.26
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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.