Finding the Fourth Proportional to 27,712,981.98, 41,564,574.09 and 7,519,798.62
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Solution
The fourth proportional to 27,712,981.98, 41,564,574.09 and 7,519,798.62 is: 11,278,368.64
Step by Step Solution
- Step 1: Write the proportion equation
27,712,981.98 : 41,564,574.09 = 7,519,798.62 : x - Step 2: Convert to fraction form
27,712,981.98/41,564,574.09 = 7,519,798.62/x - Step 3: Cross multiply
27,712,981.98x = 41,564,574.09 × 7,519,798.62 - Step 4: Simplify right side
27,712,981.98x = 312,557,226,882,869.81 - Step 5: Solve for x
x = 312,557,226,882,869.81/27,712,981.98 - Step 6: Final answer
x = 11,278,368.64
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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.