Finding the Fourth Proportional to 18,507,841.16, 27,767,436.84 and 8,281,308.88
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Solution
The fourth proportional to 18,507,841.16, 27,767,436.84 and 8,281,308.88 is: 12,424,502.64
Step by Step Solution
- Step 1: Write the proportion equation
18,507,841.16 : 27,767,436.84 = 8,281,308.88 : x - Step 2: Convert to fraction form
18,507,841.16/27,767,436.84 = 8,281,308.88/x - Step 3: Cross multiply
18,507,841.16x = 27,767,436.84 × 8,281,308.88 - Step 4: Simplify right side
18,507,841.16x = 229,950,721,277,931.12 - Step 5: Solve for x
x = 229,950,721,277,931.12/18,507,841.16 - Step 6: Final answer
x = 12,424,502.64
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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.