Finding the Fourth Proportional to 12,785,925.06, 19,179,053.67 and 4,266,261.53
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Solution
The fourth proportional to 12,785,925.06, 19,179,053.67 and 4,266,261.53 is: 6,399,447.70
Step by Step Solution
- Step 1: Write the proportion equation
12,785,925.06 : 19,179,053.67 = 4,266,261.53 : x - Step 2: Convert to fraction form
12,785,925.06/19,179,053.67 = 4,266,261.53/x - Step 3: Cross multiply
12,785,925.06x = 19,179,053.67 × 4,266,261.53 - Step 4: Simplify right side
12,785,925.06x = 81,822,858,758,231.06 - Step 5: Solve for x
x = 81,822,858,758,231.06/12,785,925.06 - Step 6: Final answer
x = 6,399,447.70
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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.