Finding the Fourth Proportional to 18,043,720.38, 24,900,307.20 and 9,783,767.66
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Solution
The fourth proportional to 18,043,720.38, 24,900,307.20 and 9,783,767.66 is: 13,501,584.76
Step by Step Solution
- Step 1: Write the proportion equation
18,043,720.38 : 24,900,307.20 = 9,783,767.66 : x - Step 2: Convert to fraction form
18,043,720.38/24,900,307.20 = 9,783,767.66/x - Step 3: Cross multiply
18,043,720.38x = 24,900,307.20 × 9,783,767.66 - Step 4: Simplify right side
18,043,720.38x = 243,618,820,182,923.59 - Step 5: Solve for x
x = 243,618,820,182,923.59/18,043,720.38 - Step 6: Final answer
x = 13,501,584.76
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.