Finding the Fourth Proportional to 29,473,340.99, 40,672,257.14 and 16,916,462.69
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Solution
The fourth proportional to 29,473,340.99, 40,672,257.14 and 16,916,462.69 is: 23,344,171.28
Step by Step Solution
- Step 1: Write the proportion equation
29,473,340.99 : 40,672,257.14 = 16,916,462.69 : x - Step 2: Convert to fraction form
29,473,340.99/40,672,257.14 = 16,916,462.69/x - Step 3: Cross multiply
29,473,340.99x = 40,672,257.14 × 16,916,462.69 - Step 4: Simplify right side
29,473,340.99x = 688,030,720,342,313.75 - Step 5: Solve for x
x = 688,030,720,342,313.75/29,473,340.99 - Step 6: Final answer
x = 23,344,171.28
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1.5x scale
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.