Finding the Fourth Proportional to 14,368,247.72, 19,828,026.66 and 7,841,824.18
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Solution
The fourth proportional to 14,368,247.72, 19,828,026.66 and 7,841,824.18 is: 10,821,632.67
Step by Step Solution
- Step 1: Write the proportion equation
14,368,247.72 : 19,828,026.66 = 7,841,824.18 : x - Step 2: Convert to fraction form
14,368,247.72/19,828,026.66 = 7,841,824.18/x - Step 3: Cross multiply
14,368,247.72x = 19,828,026.66 × 7,841,824.18 - Step 4: Simplify right side
14,368,247.72x = 155,487,898,904,072.62 - Step 5: Solve for x
x = 155,487,898,904,072.62/14,368,247.72 - Step 6: Final answer
x = 10,821,632.67
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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.