Finding the Fourth Proportional to 7,803,000.70, 11,704,501.05 and 6,543,288.70
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Solution
The fourth proportional to 7,803,000.70, 11,704,501.05 and 6,543,288.70 is: 9,814,933.05
Step by Step Solution
- Step 1: Write the proportion equation
7,803,000.70 : 11,704,501.05 = 6,543,288.70 : x - Step 2: Convert to fraction form
7,803,000.70/11,704,501.05 = 6,543,288.70/x - Step 3: Cross multiply
7,803,000.70x = 11,704,501.05 × 6,543,288.70 - Step 4: Simplify right side
7,803,000.70x = 76,585,929,459,603.14 - Step 5: Solve for x
x = 76,585,929,459,603.14/7,803,000.70 - Step 6: Final answer
x = 9,814,933.05
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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.