Finding the Fourth Proportional to 26,508,472.28, 36,581,911.14 and 14,905,934.27
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Solution
The fourth proportional to 26,508,472.28, 36,581,911.14 and 14,905,934.27 is: 20,570,312.66
Step by Step Solution
- Step 1: Write the proportion equation
26,508,472.28 : 36,581,911.14 = 14,905,934.27 : x - Step 2: Convert to fraction form
26,508,472.28/36,581,911.14 = 14,905,934.27/x - Step 3: Cross multiply
26,508,472.28x = 36,581,911.14 × 14,905,934.27 - Step 4: Simplify right side
26,508,472.28x = 545,287,562,740,911.25 - Step 5: Solve for x
x = 545,287,562,740,911.25/26,508,472.28 - Step 6: Final answer
x = 20,570,312.66
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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.