Finding the Fourth Proportional to 10,832,487.36, 14,923,708.63 and 7,564,125.21
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Solution
The fourth proportional to 10,832,487.36, 14,923,708.63 and 7,564,125.21 is: 10,420,949.22
Step by Step Solution
- Step 1: Write the proportion equation
10,832,487.36 : 14,923,708.63 = 7,564,125.21 : x - Step 2: Convert to fraction form
10,832,487.36/14,923,708.63 = 7,564,125.21/x - Step 3: Cross multiply
10,832,487.36x = 14,923,708.63 × 7,564,125.21 - Step 4: Simplify right side
10,832,487.36x = 112,884,800,674,877.56 - Step 5: Solve for x
x = 112,884,800,674,877.56/10,832,487.36 - Step 6: Final answer
x = 10,420,949.22
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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.