Finding the Fourth Proportional to 10,324,879.14, 14,248,681.24 and 5,679,023.50
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Solution
The fourth proportional to 10,324,879.14, 14,248,681.24 and 5,679,023.50 is: 7,837,243.86
Step by Step Solution
- Step 1: Write the proportion equation
10,324,879.14 : 14,248,681.24 = 5,679,023.50 : x - Step 2: Convert to fraction form
10,324,879.14/14,248,681.24 = 5,679,023.50/x - Step 3: Cross multiply
10,324,879.14x = 14,248,681.24 × 5,679,023.50 - Step 4: Simplify right side
10,324,879.14x = 80,918,595,605,969.14 - Step 5: Solve for x
x = 80,918,595,605,969.14/10,324,879.14 - Step 6: Final answer
x = 7,837,243.86
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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.