Finding the Fourth Proportional to 9,900,703.19, 14,847,322.21 and 4,143,835.76
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Solution
The fourth proportional to 9,900,703.19, 14,847,322.21 and 4,143,835.76 is: 6,214,191.40
Step by Step Solution
- Step 1: Write the proportion equation
9,900,703.19 : 14,847,322.21 = 4,143,835.76 : x - Step 2: Convert to fraction form
9,900,703.19/14,847,322.21 = 4,143,835.76/x - Step 3: Cross multiply
9,900,703.19x = 14,847,322.21 × 4,143,835.76 - Step 4: Simplify right side
9,900,703.19x = 61,524,864,629,444.02 - Step 5: Solve for x
x = 61,524,864,629,444.02/9,900,703.19 - Step 6: Final answer
x = 6,214,191.40
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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.