Finding the Fourth Proportional to 10,324,875.64, 14,248,676.40 and 5,679,019.99
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Solution
The fourth proportional to 10,324,875.64, 14,248,676.40 and 5,679,019.99 is: 7,837,239.01
Step by Step Solution
- Step 1: Write the proportion equation
10,324,875.64 : 14,248,676.40 = 5,679,019.99 : x - Step 2: Convert to fraction form
10,324,875.64/14,248,676.40 = 5,679,019.99/x - Step 3: Cross multiply
10,324,875.64x = 14,248,676.40 × 5,679,019.99 - Step 4: Simplify right side
10,324,875.64x = 80,918,518,106,641.23 - Step 5: Solve for x
x = 80,918,518,106,641.23/10,324,875.64 - Step 6: Final answer
x = 7,837,239.01
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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.