Finding the Fourth Proportional to 10,205,925.71, 14,084,171.29 and 5,622,247.08
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Solution
The fourth proportional to 10,205,925.71, 14,084,171.29 and 5,622,247.08 is: 7,758,697.56
Step by Step Solution
- Step 1: Write the proportion equation
10,205,925.71 : 14,084,171.29 = 5,622,247.08 : x - Step 2: Convert to fraction form
10,205,925.71/14,084,171.29 = 5,622,247.08/x - Step 3: Cross multiply
10,205,925.71x = 14,084,171.29 × 5,622,247.08 - Step 4: Simplify right side
10,205,925.71x = 79,184,690,909,422.33 - Step 5: Solve for x
x = 79,184,690,909,422.33/10,205,925.71 - Step 6: Final answer
x = 7,758,697.56
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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.