Finding the Fourth Proportional to 29,147,106.24, 43,720,567.20 and 7,871,970.24
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Solution
The fourth proportional to 29,147,106.24, 43,720,567.20 and 7,871,970.24 is: 11,807,930.47
Step by Step Solution
- Step 1: Write the proportion equation
29,147,106.24 : 43,720,567.20 = 7,871,970.24 : x - Step 2: Convert to fraction form
29,147,106.24/43,720,567.20 = 7,871,970.24/x - Step 3: Cross multiply
29,147,106.24x = 43,720,567.20 × 7,871,970.24 - Step 4: Simplify right side
29,147,106.24x = 344,167,003,874,320.19 - Step 5: Solve for x
x = 344,167,003,874,320.19/29,147,106.24 - Step 6: Final answer
x = 11,807,930.47
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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.