Finding the Fourth Proportional to 15,908,518.82, 23,858,423.12 and 4,391,232.81
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Solution
The fourth proportional to 15,908,518.82, 23,858,423.12 and 4,391,232.81 is: 6,585,647.07
Step by Step Solution
- Step 1: Write the proportion equation
15,908,518.82 : 23,858,423.12 = 4,391,232.81 : x - Step 2: Convert to fraction form
15,908,518.82/23,858,423.12 = 4,391,232.81/x - Step 3: Cross multiply
15,908,518.82x = 23,858,423.12 × 4,391,232.81 - Step 4: Simplify right side
15,908,518.82x = 104,767,890,296,214.89 - Step 5: Solve for x
x = 104,767,890,296,214.89/15,908,518.82 - Step 6: Final answer
x = 6,585,647.07
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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.