Finding the Fourth Proportional to 7,643,312.77, 11,470,013.70 and 4,051,601.99
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Solution
The fourth proportional to 7,643,312.77, 11,470,013.70 and 4,051,601.99 is: 6,080,077.02
Step by Step Solution
- Step 1: Write the proportion equation
7,643,312.77 : 11,470,013.70 = 4,051,601.99 : x - Step 2: Convert to fraction form
7,643,312.77/11,470,013.70 = 4,051,601.99/x - Step 3: Cross multiply
7,643,312.77x = 11,470,013.70 × 4,051,601.99 - Step 4: Simplify right side
7,643,312.77x = 46,471,930,325,969.23 - Step 5: Solve for x
x = 46,471,930,325,969.23/7,643,312.77 - Step 6: Final answer
x = 6,080,077.02
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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.