Finding the Fourth Proportional to 11,387,862.68, 15,715,250.49 and 6,231,224.23
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Solution
The fourth proportional to 11,387,862.68, 15,715,250.49 and 6,231,224.23 is: 8,599,089.43
Step by Step Solution
- Step 1: Write the proportion equation
11,387,862.68 : 15,715,250.49 = 6,231,224.23 : x - Step 2: Convert to fraction form
11,387,862.68/15,715,250.49 = 6,231,224.23/x - Step 3: Cross multiply
11,387,862.68x = 15,715,250.49 × 6,231,224.23 - Step 4: Simplify right side
11,387,862.68x = 97,925,249,633,807.38 - Step 5: Solve for x
x = 97,925,249,633,807.38/11,387,862.68 - Step 6: Final answer
x = 8,599,089.43
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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.