Finding the Fourth Proportional to 12,843,036.70, 19,264,555.05 and 8,585,244.70
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Solution
The fourth proportional to 12,843,036.70, 19,264,555.05 and 8,585,244.70 is: 12,877,867.05
Step by Step Solution
- Step 1: Write the proportion equation
12,843,036.70 : 19,264,555.05 = 8,585,244.70 : x - Step 2: Convert to fraction form
12,843,036.70/19,264,555.05 = 8,585,244.70/x - Step 3: Cross multiply
12,843,036.70x = 19,264,555.05 × 8,585,244.70 - Step 4: Simplify right side
12,843,036.70x = 165,390,919,140,870.72 - Step 5: Solve for x
x = 165,390,919,140,870.72/12,843,036.70 - Step 6: Final answer
x = 12,877,867.05
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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.