Finding the Fourth Proportional to 13,134,315.81, 19,702,523.48 and 4,616,563.17
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Solution
The fourth proportional to 13,134,315.81, 19,702,523.48 and 4,616,563.17 is: 6,925,213.74
Step by Step Solution
- Step 1: Write the proportion equation
13,134,315.81 : 19,702,523.48 = 4,616,563.17 : x - Step 2: Convert to fraction form
13,134,315.81/19,702,523.48 = 4,616,563.17/x - Step 3: Cross multiply
13,134,315.81x = 19,702,523.48 × 4,616,563.17 - Step 4: Simplify right side
13,134,315.81x = 90,957,944,253,828.23 - Step 5: Solve for x
x = 90,957,944,253,828.23/13,134,315.81 - Step 6: Final answer
x = 6,925,213.74
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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.