Finding the Fourth Proportional to 20,832,758.94, 31,248,905.13 and 7,366,437.66
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Solution
The fourth proportional to 20,832,758.94, 31,248,905.13 and 7,366,437.66 is: 11,049,574.00
Step by Step Solution
- Step 1: Write the proportion equation
20,832,758.94 : 31,248,905.13 = 7,366,437.66 : x - Step 2: Convert to fraction form
20,832,758.94/31,248,905.13 = 7,366,437.66/x - Step 3: Cross multiply
20,832,758.94x = 31,248,905.13 × 7,366,437.66 - Step 4: Simplify right side
20,832,758.94x = 230,193,111,583,399.19 - Step 5: Solve for x
x = 230,193,111,583,399.19/20,832,758.94 - Step 6: Final answer
x = 11,049,574.00
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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.