Finding the Fourth Proportional to 19,451,657.85, 26,843,371.14 and 10,631,287.31
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Solution
The fourth proportional to 19,451,657.85, 26,843,371.14 and 10,631,287.31 is: 14,671,222.01
Step by Step Solution
- Step 1: Write the proportion equation
19,451,657.85 : 26,843,371.14 = 10,631,287.31 : x - Step 2: Convert to fraction form
19,451,657.85/26,843,371.14 = 10,631,287.31/x - Step 3: Cross multiply
19,451,657.85x = 26,843,371.14 × 10,631,287.31 - Step 4: Simplify right side
19,451,657.85x = 285,379,590,824,085.38 - Step 5: Solve for x
x = 285,379,590,824,085.38/19,451,657.85 - Step 6: Final answer
x = 14,671,222.01
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.