Finding the Fourth Proportional to 11,167,720.94, 15,411,829.11 and 6,206,371.34
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Solution
The fourth proportional to 11,167,720.94, 15,411,829.11 and 6,206,371.34 is: 8,565,000.41
Step by Step Solution
- Step 1: Write the proportion equation
11,167,720.94 : 15,411,829.11 = 6,206,371.34 : x - Step 2: Convert to fraction form
11,167,720.94/15,411,829.11 = 6,206,371.34/x - Step 3: Cross multiply
11,167,720.94x = 15,411,829.11 × 6,206,371.34 - Step 4: Simplify right side
11,167,720.94x = 95,651,534,485,281.70 - Step 5: Solve for x
x = 95,651,534,485,281.70/11,167,720.94 - Step 6: Final answer
x = 8,565,000.41
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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.