Finding the Fourth Proportional to 7,113,729.62, 10,672,291.98 and 2,321,427.80
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Solution
The fourth proportional to 7,113,729.62, 10,672,291.98 and 2,321,427.80 is: 3,482,695.66
Step by Step Solution
- Step 1: Write the proportion equation
7,113,729.62 : 10,672,291.98 = 2,321,427.80 : x - Step 2: Convert to fraction form
7,113,729.62/10,672,291.98 = 2,321,427.80/x - Step 3: Cross multiply
7,113,729.62x = 10,672,291.98 × 2,321,427.80 - Step 4: Simplify right side
7,113,729.62x = 24,774,955,238,727.59 - Step 5: Solve for x
x = 24,774,955,238,727.59/7,113,729.62 - Step 6: Final answer
x = 3,482,695.66
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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.