Finding the Fourth Proportional to 14,368,243.72, 19,828,021.14 and 7,841,820.18
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Solution
The fourth proportional to 14,368,243.72, 19,828,021.14 and 7,841,820.18 is: 10,821,627.15
Step by Step Solution
- Step 1: Write the proportion equation
14,368,243.72 : 19,828,021.14 = 7,841,820.18 : x - Step 2: Convert to fraction form
14,368,243.72/19,828,021.14 = 7,841,820.18/x - Step 3: Cross multiply
14,368,243.72x = 19,828,021.14 × 7,841,820.18 - Step 4: Simplify right side
14,368,243.72x = 155,487,776,305,118.59 - Step 5: Solve for x
x = 155,487,776,305,118.59/14,368,243.72 - Step 6: Final answer
x = 10,821,627.15
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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.