Finding the Fourth Proportional to 11,100,779.14, 15,319,411.77 and 6,206,207.46
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Solution
The fourth proportional to 11,100,779.14, 15,319,411.77 and 6,206,207.46 is: 8,564,754.46
Step by Step Solution
- Step 1: Write the proportion equation
11,100,779.14 : 15,319,411.77 = 6,206,207.46 : x - Step 2: Convert to fraction form
11,100,779.14/15,319,411.77 = 6,206,207.46/x - Step 3: Cross multiply
11,100,779.14x = 15,319,411.77 × 6,206,207.46 - Step 4: Simplify right side
11,100,779.14x = 95,075,447,609,785.80 - Step 5: Solve for x
x = 95,075,447,609,785.80/11,100,779.14 - Step 6: Final answer
x = 8,564,754.46
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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.