Finding the Fourth Proportional to 15,720,579,828.99, 23,572,595,440.05 and 10,747,723,830.23
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Solution
The fourth proportional to 15,720,579,828.99, 23,572,595,440.05 and 10,747,723,830.23 is: 16,115,928,833.88
Step by Step Solution
- Step 1: Write the proportion equation
15,720,579,828.99 : 23,572,595,440.05 = 10,747,723,830.23 : x - Step 2: Convert to fraction form
15,720,579,828.99/23,572,595,440.05 = 10,747,723,830.23/x - Step 3: Cross multiply
15,720,579,828.99x = 23,572,595,440.05 × 10,747,723,830.23 - Step 4: Simplify right side
15,720,579,828.99x = 253,351,745,751,396,384,768 - Step 5: Solve for x
x = 253,351,745,751,396,384,768/15,720,579,828.99 - Step 6: Final answer
x = 16,115,928,833.88
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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.