Finding the Fourth Proportional to 7,023,348.63, 10,535,022.95 and 1,974,659.13
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Solution
The fourth proportional to 7,023,348.63, 10,535,022.95 and 1,974,659.13 is: 2,961,988.70
Step by Step Solution
- Step 1: Write the proportion equation
7,023,348.63 : 10,535,022.95 = 1,974,659.13 : x - Step 2: Convert to fraction form
7,023,348.63/10,535,022.95 = 1,974,659.13/x - Step 3: Cross multiply
7,023,348.63x = 10,535,022.95 × 1,974,659.13 - Step 4: Simplify right side
7,023,348.63x = 20,803,079,243,103.74 - Step 5: Solve for x
x = 20,803,079,243,103.74/7,023,348.63 - Step 6: Final answer
x = 2,961,988.70
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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.