Finding the Fourth Proportional to 14,244,925.34, 19,658,065.41 and 7,718,553.07
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Solution
The fourth proportional to 14,244,925.34, 19,658,065.41 and 7,718,553.07 is: 10,651,640.32
Step by Step Solution
- Step 1: Write the proportion equation
14,244,925.34 : 19,658,065.41 = 7,718,553.07 : x - Step 2: Convert to fraction form
14,244,925.34/19,658,065.41 = 7,718,553.07/x - Step 3: Cross multiply
14,244,925.34x = 19,658,065.41 × 7,718,553.07 - Step 4: Simplify right side
14,244,925.34x = 151,731,821,162,792.19 - Step 5: Solve for x
x = 151,731,821,162,792.19/14,244,925.34 - Step 6: Final answer
x = 10,651,640.32
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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.