Finding the Fourth Proportional to 43,499,393.21, 65,235,134.04 and 14,346,678.20
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Solution
The fourth proportional to 43,499,393.21, 65,235,134.04 and 14,346,678.20 is: 21,515,414.50
Step by Step Solution
- Step 1: Write the proportion equation
43,499,393.21 : 65,235,134.04 = 14,346,678.20 : x - Step 2: Convert to fraction form
43,499,393.21/65,235,134.04 = 14,346,678.20/x - Step 3: Cross multiply
43,499,393.21x = 65,235,134.04 × 14,346,678.20 - Step 4: Simplify right side
43,499,393.21x = 935,907,475,473,417.88 - Step 5: Solve for x
x = 935,907,475,473,417.88/43,499,393.21 - Step 6: Final answer
x = 21,515,414.50
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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.