Finding the Fourth Proportional to 7,803,686.23, 11,700,863.74 and 4,024,550.23
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Solution
The fourth proportional to 7,803,686.23, 11,700,863.74 and 4,024,550.23 is: 6,034,419.17
Step by Step Solution
- Step 1: Write the proportion equation
7,803,686.23 : 11,700,863.74 = 4,024,550.23 : x - Step 2: Convert to fraction form
7,803,686.23/11,700,863.74 = 4,024,550.23/x - Step 3: Cross multiply
7,803,686.23x = 11,700,863.74 × 4,024,550.23 - Step 4: Simplify right side
7,803,686.23x = 47,090,713,787,449.97 - Step 5: Solve for x
x = 47,090,713,787,449.97/7,803,686.23 - Step 6: Final answer
x = 6,034,419.17
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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.