Finding the Fourth Proportional to 5,425,113.40, 8,139,743.70 and 5,340,095.80
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Solution
The fourth proportional to 5,425,113.40, 8,139,743.70 and 5,340,095.80 is: 8,012,184.80
Step by Step Solution
- Step 1: Write the proportion equation
5,425,113.40 : 8,139,743.70 = 5,340,095.80 : x - Step 2: Convert to fraction form
5,425,113.40/8,139,743.70 = 5,340,095.80/x - Step 3: Cross multiply
5,425,113.40x = 8,139,743.70 × 5,340,095.80 - Step 4: Simplify right side
5,425,113.40x = 43,467,011,145,446.46 - Step 5: Solve for x
x = 43,467,011,145,446.46/5,425,113.40 - Step 6: Final answer
x = 8,012,184.80
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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.