Finding the Fourth Proportional to 7,430,696.50, 11,146,182.99 and 2,112,050.74
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Solution
The fourth proportional to 7,430,696.50, 11,146,182.99 and 2,112,050.74 is: 3,168,115.40
Step by Step Solution
- Step 1: Write the proportion equation
7,430,696.50 : 11,146,182.99 = 2,112,050.74 : x - Step 2: Convert to fraction form
7,430,696.50/11,146,182.99 = 2,112,050.74/x - Step 3: Cross multiply
7,430,696.50x = 11,146,182.99 × 2,112,050.74 - Step 4: Simplify right side
7,430,696.50x = 23,541,304,032,204.91 - Step 5: Solve for x
x = 23,541,304,032,204.91/7,430,696.50 - Step 6: Final answer
x = 3,168,115.40
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1.5x scale
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.