Finding the Fourth Proportional to 19,782,023.10, 29,673,034.65 and 16,593,377.10
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Solution
The fourth proportional to 19,782,023.10, 29,673,034.65 and 16,593,377.10 is: 24,890,065.65
Step by Step Solution
- Step 1: Write the proportion equation
19,782,023.10 : 29,673,034.65 = 16,593,377.10 : x - Step 2: Convert to fraction form
19,782,023.10/29,673,034.65 = 16,593,377.10/x - Step 3: Cross multiply
19,782,023.10x = 29,673,034.65 × 16,593,377.10 - Step 4: Simplify right side
19,782,023.10x = 492,375,853,648,816.50 - Step 5: Solve for x
x = 492,375,853,648,816.50/19,782,023.10 - Step 6: Final answer
x = 24,890,065.65
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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.