Finding the Fourth Proportional to 17,121,438.71, 25,690,987.74 and 8,024,460.49
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Solution
The fourth proportional to 17,121,438.71, 25,690,987.74 and 8,024,460.49 is: 12,040,829.02
Step by Step Solution
- Step 1: Write the proportion equation
17,121,438.71 : 25,690,987.74 = 8,024,460.49 : x - Step 2: Convert to fraction form
17,121,438.71/25,690,987.74 = 8,024,460.49/x - Step 3: Cross multiply
17,121,438.71x = 25,690,987.74 × 8,024,460.49 - Step 4: Simplify right side
17,121,438.71x = 206,156,316,064,300.59 - Step 5: Solve for x
x = 206,156,316,064,300.59/17,121,438.71 - Step 6: Final answer
x = 12,040,829.02
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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.