Finding the Fourth Proportional to 14,106,865.42, 19,467,687.59 and 7,913,285.07
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Solution
The fourth proportional to 14,106,865.42, 19,467,687.59 and 7,913,285.07 is: 10,920,453.05
Step by Step Solution
- Step 1: Write the proportion equation
14,106,865.42 : 19,467,687.59 = 7,913,285.07 : x - Step 2: Convert to fraction form
14,106,865.42/19,467,687.59 = 7,913,285.07/x - Step 3: Cross multiply
14,106,865.42x = 19,467,687.59 × 7,913,285.07 - Step 4: Simplify right side
14,106,865.42x = 154,053,361,553,371.28 - Step 5: Solve for x
x = 154,053,361,553,371.28/14,106,865.42 - Step 6: Final answer
x = 10,920,453.05
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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.