Finding the Fourth Proportional to 7,476,021.56, 10,316,913.91 and 4,038,262.63
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Solution
The fourth proportional to 7,476,021.56, 10,316,913.91 and 4,038,262.63 is: 5,572,804.67
Step by Step Solution
- Step 1: Write the proportion equation
7,476,021.56 : 10,316,913.91 = 4,038,262.63 : x - Step 2: Convert to fraction form
7,476,021.56/10,316,913.91 = 4,038,262.63/x - Step 3: Cross multiply
7,476,021.56x = 10,316,913.91 × 4,038,262.63 - Step 4: Simplify right side
7,476,021.56x = 41,662,407,863,792.24 - Step 5: Solve for x
x = 41,662,407,863,792.24/7,476,021.56 - Step 6: Final answer
x = 5,572,804.67
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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.