Finding the Fourth Proportional to 11,072,715.20, 16,609,072.80 and 6,210,030.06
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Solution
The fourth proportional to 11,072,715.20, 16,609,072.80 and 6,210,030.06 is: 9,315,045.09
Step by Step Solution
- Step 1: Write the proportion equation
11,072,715.20 : 16,609,072.80 = 6,210,030.06 : x - Step 2: Convert to fraction form
11,072,715.20/16,609,072.80 = 6,210,030.06/x - Step 3: Cross multiply
11,072,715.20x = 16,609,072.80 × 6,210,030.06 - Step 4: Simplify right side
11,072,715.20x = 103,142,841,356,728.36 - Step 5: Solve for x
x = 103,142,841,356,728.36/11,072,715.20 - Step 6: Final answer
x = 9,315,045.09
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1.5x scale
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.