Finding the Fourth Proportional to 19,721,423.74, 29,585,314.37 and 6,074,563.78
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Solution
The fourth proportional to 19,721,423.74, 29,585,314.37 and 6,074,563.78 is: 9,112,824.79
Step by Step Solution
- Step 1: Write the proportion equation
19,721,423.74 : 29,585,314.37 = 6,074,563.78 : x - Step 2: Convert to fraction form
19,721,423.74/29,585,314.37 = 6,074,563.78/x - Step 3: Cross multiply
19,721,423.74x = 29,585,314.37 × 6,074,563.78 - Step 4: Simplify right side
19,721,423.74x = 179,717,879,091,915.53 - Step 5: Solve for x
x = 179,717,879,091,915.53/19,721,423.74 - Step 6: Final answer
x = 9,112,824.79
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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.