Finding the Fourth Proportional to 7,224,840.09, 10,829,673.90 and 2,430,865.02
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Solution
The fourth proportional to 7,224,840.09, 10,829,673.90 and 2,430,865.02 is: 3,643,745.07
Step by Step Solution
- Step 1: Write the proportion equation
7,224,840.09 : 10,829,673.90 = 2,430,865.02 : x - Step 2: Convert to fraction form
7,224,840.09/10,829,673.90 = 2,430,865.02/x - Step 3: Cross multiply
7,224,840.09x = 10,829,673.90 × 2,430,865.02 - Step 4: Simplify right side
7,224,840.09x = 26,325,475,461,516.98 - Step 5: Solve for x
x = 26,325,475,461,516.98/7,224,840.09 - Step 6: Final answer
x = 3,643,745.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.