Finding the Fourth Proportional to 19,903,684.53, 27,456,550.19 and 13,697,957.45
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Solution
The fourth proportional to 19,903,684.53, 27,456,550.19 and 13,697,957.45 is: 18,895,931.34
Step by Step Solution
- Step 1: Write the proportion equation
19,903,684.53 : 27,456,550.19 = 13,697,957.45 : x - Step 2: Convert to fraction form
19,903,684.53/27,456,550.19 = 13,697,957.45/x - Step 3: Cross multiply
19,903,684.53x = 27,456,550.19 × 13,697,957.45 - Step 4: Simplify right side
19,903,684.53x = 376,098,656,277,928.38 - Step 5: Solve for x
x = 376,098,656,277,928.38/19,903,684.53 - Step 6: Final answer
x = 18,895,931.34
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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.