Finding the Fourth Proportional to 22,029,471.42, 30,399,984.81 and 12,106,330.62
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Solution
The fourth proportional to 22,029,471.42, 30,399,984.81 and 12,106,330.62 is: 16,706,359.40
Step by Step Solution
- Step 1: Write the proportion equation
22,029,471.42 : 30,399,984.81 = 12,106,330.62 : x - Step 2: Convert to fraction form
22,029,471.42/30,399,984.81 = 12,106,330.62/x - Step 3: Cross multiply
22,029,471.42x = 30,399,984.81 × 12,106,330.62 - Step 4: Simplify right side
22,029,471.42x = 368,032,266,952,837.81 - Step 5: Solve for x
x = 368,032,266,952,837.81/22,029,471.42 - Step 6: Final answer
x = 16,706,359.40
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1.5x scale
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.