Finding the Fourth Proportional to 26,931,107.99, 40,402,336.23 and 8,733,884.25
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Solution
The fourth proportional to 26,931,107.99, 40,402,336.23 and 8,733,884.25 is: 13,102,666.55
Step by Step Solution
- Step 1: Write the proportion equation
26,931,107.99 : 40,402,336.23 = 8,733,884.25 : x - Step 2: Convert to fraction form
26,931,107.99/40,402,336.23 = 8,733,884.25/x - Step 3: Cross multiply
26,931,107.99x = 40,402,336.23 × 8,733,884.25 - Step 4: Simplify right side
26,931,107.99x = 352,869,327,930,685.38 - Step 5: Solve for x
x = 352,869,327,930,685.38/26,931,107.99 - Step 6: Final answer
x = 13,102,666.55
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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.