Finding the Fourth Proportional to 17,670,711.70, 26,506,067.55 and 14,311,479.70
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Solution
The fourth proportional to 17,670,711.70, 26,506,067.55 and 14,311,479.70 is: 21,467,219.55
Step by Step Solution
- Step 1: Write the proportion equation
17,670,711.70 : 26,506,067.55 = 14,311,479.70 : x - Step 2: Convert to fraction form
17,670,711.70/26,506,067.55 = 14,311,479.70/x - Step 3: Cross multiply
17,670,711.70x = 26,506,067.55 × 14,311,479.70 - Step 4: Simplify right side
17,670,711.70x = 379,341,047,668,653.75 - Step 5: Solve for x
x = 379,341,047,668,653.75/17,670,711.70 - Step 6: Final answer
x = 21,467,219.55
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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.